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
Treatment of choice for mastoid fracture with facial nerve palsy is - 
Select and explain. 
A. Nerve decompression, B. High dose of steroid, C. Sling operation, D. Repair the fracture and wait and watch
A: Nerve decompression
Answer: A: Nerve decompression 
Explanation: None