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
Which of the following is not an immediate post operative complication of thyroidectomy: 
Select and explain. 
A. Thyroid crisis., B. Thyroid insufficiency., C. Recurrent laryngeal nerve palsy., D. Respiratory obstruction.
B: Thyroid insufficiency.
Answer: B: Thyroid insufficiency. 
Explanation: None