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': "The supervision of a child's development of occlusion is most critical at ages? \nSelect and explain. \nA. 3 - 6 years, B. 7 - 10 years, C. 11 - 14 years, D. 14 - 17 years", 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]