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': 'Height of child in 2-10 years of age is increased by - \nSelect and explain. \nA. 2 cm/year, B. 4 cm/year, C. 6 cm/year, D. 10 cm/year', 'role': 'user'}, {'content': 'Answer: C \nExplanation: O.P. Ghai 9th edition - page 14 After one year, the child gains about 6 cm in height every year, until the age of 12 years', 'role': 'assistant'}]