The Drug Cyclosporine Is Commonly Given to Patients After a Tissue

The drug cyclosporine is commonly given to patients after a tissue transplant to prevent rejection.A likely mechanism for cyclosporine action is that it

A) increases the recognition of nonself antigens.
B) reduces the possibility of infection from germs.
C) suppresses the immune system by blocking development of T cells.
D) activates Tregs.
E) stimulates the proliferation of T-helper cells.