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: ENT
[{'content': 'Nasopharyngeal angiofibroma of stage II is treated with \nSelect and explain. \nA. Radiotherapy, B. Chemotherapy, C. Concurrent chemo-Radiation, D. Surgery', 'role': 'user'}, {'content': 'Answer: D \nExplanation: None', 'role': 'assistant'}]