Select the Statement That Accurately Describes the Difference Between Immunomodulation

Select the statement that accurately describes the difference between immunomodulation and immunosuppression.

A) Immunosuppressive drugs are used after organ transplantation and in the treatment of severe inflammatory and allergic conditions when the immune system is hyperactive, whereas immunomodulating drugs are used to treat diseases in which the activity of the immune system is beneficial.
B) Immunosuppression refers to drugs and biological factors that decrease immune activity, and immunomodulation refers to actions or drugs that stimulate the activity of the immune system.
C) Immunosuppressive drugs can be administered orally, whereas immunomodulating drugs can be administered only through injections or IV.
D) All of these are correct.