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 patient with unfavourable fracture of the angle of mandible is best treated by: \nSelect and explain. \nA. Closed reduction with IMF, B. Closed reduction with cap splint, C. Open reduction with bone plate fixation, D. Circum mandibular wiring', 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]