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': 'Patient presents with neck swelling and respiratory distress few hours after a thyroidectomy surgery. Next management would be - \nSelect and explain. \nA. Open immediatly, B. Trecheostomy, C. Wait and watch, D. Oxygen by mask', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]