"HAART ""cocktails"" are synergistic combinations of drugs that affect HIV at different stages and in different ways, making it less likely for resistant mutants to emerge; This is similar to antibiotic ___ ___ ___ used to treat bacterial infections such as TB and leprosy."

a) Viral Targeting Agents
b) Pathogen Inhibitors
c) Drug Resistance Blockers
d) Combination Therapy Approaches