This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Anaesthesia, Subject name: Pharmacology
Which of the following drug is commonly used for post-anesthetic shivering ? 
Select and explain. 
A. Meperidine, B. Methylmorphine, C. Methadone, D. Morphine
A: Meperidine
Answer: A: Meperidine 
Explanation: 1. Meperidine (also called pethidine)is used for postoperative shivering. 2. Meperidine combination drugs are also used for other drugs infusion related rigor and chills like Amphotericin B, Aldesleukin, Transtuzumab.