This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Growth, 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: The increase in the weight of the child with age- Age Weight (kg) Bih w 5 months 2w 1 year 3w 2 years 4w 3 years 5w', 'role': 'assistant'}]