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: Dental
[{'content': 'Growth of cranium continues upto: \nSelect and explain. \nA. 2 years, B. 10 years, C. 15 years, D. Grows equally', 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]