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: Pharmacology
Cyclosporin is used an 
Select and explain. 
A. Anticancer drug, B. Antibiotic, C. Antiarrythmic, D. Immunosuppresant
D: Immunosuppresant
Answer: D: Immunosuppresant 
Explanation: None