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': 'Which of the following is not an immediate post operative complication of thyroidectomy: \nSelect and explain. \nA. Thyroid crisis., B. Thyroid insufficiency., C. Recurrent laryngeal nerve palsy., D. Respiratory obstruction.', 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]