This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Pathophysiology - Acute Pancreatitis, Subject name: Surgery
[{'content': 'All of the following are causes of acute pancreatitis except - \nSelect and explain. \nA. Mumps, B. Gall stones, C. Trauma, D. Hypocalcemia', 'role': 'user'}, {'content': "Answer: D \nExplanation: Ans. is 'd'. Reference- Harrison's Principles of Internal Medicine (19th Ed)", 'role': 'assistant'}]