This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Surgery
[{'content': 'Which, of the following plays a major role in the development of dumping syndrome: March 2009 \nSelect and explain. \nA. Vagolytic mechanism, B. Smaller stomach, C. Excessive food in the stomach, D. Large volume of hyperosmotic fluid in the intestine', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Ans. D: Large volume of hyperosmotic fluid in the intestine', 'role': 'assistant'}]