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 in traumatic facial nerve injury is - \nSelect and explain. \nA. Masterly inactivity, B. Facial sling, C. Facial decompression, D. Systemic corticosteroid', 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]