This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General anatomy, Subject name: Anatomy
[{'content': 'Maximum growth spu in boys occurs at \nSelect and explain. \nA. 8-10yrs, B. 10-12yrs, C. 12-13yrs, D. 14-15yrs', 'role': 'user'}, {'content': "Answer: D \nExplanation: Height velocity curves for male, show maximum growth velocity at 14-15 yrs Height velocity curves for female,show maximum growth velocity at 11-13 yrs Ref: Nelson's 20th edition, page 84-89", 'role': 'assistant'}]