Which of the following sentences about a paragraph's concluding sentence is true?

A complex-compound sentence has at least two independent clauses and one dependent clause. This sentence correctly combines all three parts.

This sentence presents a specific statistic that may not be common knowledge and is not the author's original idea, so it requires a citation to give credit to the source of this information. A citation is needed to show where this statistic came from, who conducted the study, and when it was conducted. Therefore, option C is the correct answer.

"Ran" is the correct past tense of "run." The word "runned" is incorrect, "running" is the present participle, and "rant" is a different word.

1, 3, 4, 2, 5.

This order beginspresents the initial experiments, thenthe discovery, after which it discusses the research project,introduces the beliefand ends with the classification. While it provides the context for the belief, it starts with the discovery, which may confuse the reader as it doesn't establish the topic first.

The paragraph is as follows:

"Initially, we constructed experiments that explored new relationships among six major systems of the human body: circulatory, digestive, muscular, nervous, reproductive, and respiratory. Then, we discovered, through a series of curious events and calculations, that these systems were all intricately involved in a kind of psychic economy. Our experimental research project has focused on what we call the Psycho-Physical Performance Scale. We believe that this work will revolutionize our understanding of human behavior. Therefore, we ultimately chose to classify different triggers of human actions and productions according to these new relationships."

The language convention violated in the sentence is pronoun-antecedent agreement. The pronoun "you" does not agree in number with its antecedent "a person." It should either be "he or she" or "they" to agree with the singular or plural antecedent.

The word that defines "subterranean" based on the prefix "sub-" is B. Underground.

Choice A: In this option, the subject "The boys and girl" is a compound subject that includes both "boys" and "girl." The mistake here lies in the verb "is," which is singular. Since the subject is plural due to the presence of "boys," the correct verb should be "are."

Choice B: This choice correctly follows subject-verb agreement rules. The subject "The boy" is singular, so the verb "come" is appropriately singular. Similarly, for "the girls," which is plural, the verb "come" is used in its plural form.

Choice C: Here, the subject "The boys" and "the girls" are connected by "or," indicating a singular choice. However, the verb "sings" is in the singular form, which is incorrect for plural subjects. To maintain agreement, the correct verb should be "sing."

Choice D: In this option, the compound subject "The boys and girl" is again presented. However, the verb "visits" is singular, not in agreement with the plural subject. To ensure proper subject-verb agreement, the verb "visit" should be used.

The passage is written in a narrative style with a mix of description and events. It mentions a specific character (Lydia) and introduces a setting and an upcoming event (Halloween costume contest). This style and content suggest that it is likely a short story.

Option B is the correct sentence, which reads "The building's height was exceeded by its width." This sentence employs standard English spelling, where "exceeded" is spelled correctly, and the apostrophe in "it's" is incorrect, as it should be "its" without an apostrophe.

"The book" is the subject, and "is" correctly agrees with it. The other sentences have incorrect verb forms for their subjects.