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: Pediatrics
[{'content': 'The weight of the child at 3 years is usually times the bih weight - \nSelect and explain. \nA. 3, B. 4, C. 5, D. 7', 'role': 'user'}, {'content': "Answer: C \nExplanation: Ans. is 'c' i.e., 5", 'role': 'assistant'}]