This chart indicates the chemotherapy drugs taken by three patients. Chemotherapy Drugs Taken by Three Patients

Dugs Taken
Anna - Actimmune(R)
Zack - Tykerb(R)
Diego - Elspar(R)

Which BEST describes the role these drugs will play in fighting cancer?

a. Anna is taking a drug that contains interferons that stimulate production of defensive proteins; Zack is taking a drug that blocks epidermal growth factor; and Diego is taking a drug that breaks down asparagine and prevents protein formation.
b. Anna is taking a drug that stimulates the immune system to destroy cancer cells; Zack is taking a drug that contains interferons that stimulate the production of defensive proteins; and Diego is taking a drug that blocks epidermal growth factor.
c. Anna is taking a drug that a drug that binds to antigen proteins on the surface of cancer cells and triggers death; Zack is taking a drug that blocks protein-tyrosine kinase enzyme; and Diego is taking a drug that stimulates the immune system to destroy cancer cells.
d. Anna is taking chemotherapy enzyme drugs that prevent amino acid formation; Zack is taking a drug that binds to antigen proteins on the surface of cancer cells and triggers death; and Diego is taking a drug that contains interferons that stimulate production of defensive proteins.