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
The drug of choice to prevent graft rejection in recipient is 
Select and explain. 
A. Steroids, B. Vincristine, C. Cyclophosphamide, D. Methotrexate
A: Steroids
Answer: A: Steroids 
Explanation: None