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': 'Cholangiography T-tube done after how many days of cholecystectomy - \nSelect and explain. \nA. 1-5 days, B. 5-9 days, C. 10-14 days, D. 15-20 days', 'role': 'user'}, {'content': "Answer: C \nExplanation: Ans. is 'c' i.e. 10-14 days", 'role': 'assistant'}]