This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General anatomy, Subject name: Anatomy
Cyclosporine is an 
Select and explain. 
A. Antioxidant, B. Immunity booster, C. Antibiotics, D. Immunosuppressant
D: Immunosuppressant
Answer: D: Immunosuppressant 
Explanation: Ref Bailey and love 27/e p1538