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': 'Most common cause of pancreatitis is \nSelect and explain. \nA. Idiopathic, B. Iatrogenic, C. Gall stones, D. Alcohol', 'role': 'user'}, {'content': 'Answer: C \nExplanation: MCC of pancreatitis is gallstones.\n2nd\xa0MCC of pancreatitis is Alcohol.', 'role': 'assistant'}]