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
158	Thyroid storm during surgery is most commonly due to ? 
Select and explain. 
A. Perioperative intervention, B. Glucocorticoid side effect, C. Inadequate preoperative preparation, D. Rough handling during surgery
C: Inadequate preoperative preparation
Answer: C: Inadequate preoperative preparation 
Explanation: None