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': 'Pseudocyst of pancreas develops after attack of acute\npancreatitis \nSelect and explain. \nA. Few days, B. 2 weeks, C. 3 weeks, D. More than 4 weeks', 'role': 'user'}, {'content': 'Answer: D \nExplanation: It usually devolops at 6 weeks after acute pancreatitis.', 'role': 'assistant'}]