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': 'Treatment of choice for acoustic neuroma- \nSelect and explain. \nA. Steroid, B. Radiotherapy, C. Anti-neoplastic drugs, D. Surgery', 'role': 'user'}, {'content': 'Answer: D \nExplanation: None', 'role': 'assistant'}]