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 patient operated for thyroid surgery for a thyroid swelling, later in the evening developed difficulty in breathing. There was swelling in the neck. The immediate management would be - \nSelect and explain. \nA. Epinephrine inj, B. Tracheostomy, C. IV calcium gluconate, D. Open the wound sutures in the ward', 'role': 'user'}, {'content': 'Answer: D \nExplanation: None', 'role': 'assistant'}]