Rationale

A) Incorrect. While infections can cause gastrointestinal symptoms, they are not the primary cause of gastroesophageal bleeding. The erosion of blood vessels is a more common cause.

B) Correct. Gastroesophageal bleeding often occurs due to the erosion of blood vessels in the esophagus or stomach lining, which can be caused by conditions such as peptic ulcers, esophagitis, or varices.

C) Incorrect. Psychological stress and anxiety are not primary causes of gastroesophageal bleeding. Physical factors and underlying conditions play a more significant role.

D) Incorrect. Excessive physical activity and strenuous exercise are not common causes of gastroesophageal bleeding. The erosion of blood vessels and underlying medical conditions are more relevant factors.