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: Surgery
[{'content': 'A 7-year-old boy presented with fracture of left\nsub condylar region with occlusion undisturbed, the treatment would be \nSelect and explain. \nA. Immobilization for 7 days, B. Immobilization for 14 days with intermittent active opening, C. No immobilization with restricted mouth opening for 10 days, D. No immobilization and active treatment', 'role': 'user'}, {'content': 'Answer: D \nExplanation: None', 'role': 'assistant'}]