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 mastoid fracture with facial nerve palsy is - \nSelect and explain. \nA. Nerve decompression, B. High dose of steroid, C. Sling operation, D. Repair the fracture and wait and watch', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]