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: Surgery
[{'content': 'A 50 year old male is suffering from severe dyspnea after thyroid surgery-t/t of choice is - \nSelect and explain. \nA. Tracheostomy, B. Open the operative site, C. Wait and watch, D. Cricothyroidotomy', 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]