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': 'If fracture of mandible occurs distal to lost tooth, the treatment of choice: \nSelect and explain. \nA. Closed reduction with IMF, B. Open reduction with bone plating, C. Open reduction with interosseous wiring, D. Closed reduction with cap splint', 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]