This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Pathology
[{'content': 'Gastric acid secretion is stimulated during several phases associated with the ingestion and digestion of a meal. Which phase is associated with the bulk of acid secretion? \nSelect and explain. \nA. Cephalic, B. Esophageal, C. Gastric, D. Intes nal', 'role': 'user'}, {'content': 'Answer: C \nExplanation: .', 'role': 'assistant'}]