Would a drug that inhibits the secretion of IL-2 be helpful to prevent transplant rejection?

a. No, IL-2 inhibitor drugs would have no effect on transplant rejection.
b. Yes, IL-2 inhibitor drugs would be useful in that they would prevent the inflammatory response.
c. Yes, IL-2 inhibitor drugs would be useful in that they would prevent the activation of cytotoxic T-cells.
d. No, IL-2 inhibitor drugs would accelerate the immune system's rejection of the kidney.