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': 'Treatment of sagittal split condylar fracture? \nSelect and explain. \nA. No treatment, B. ORIF, C. Reduction for four weeks + physiotherapy, D. Reduction for two weeks and elastic guided', 'role': 'user'}, {'content': 'Answer: D \nExplanation: None', 'role': 'assistant'}]