Streptogramins are a drug class that possess a synergistic effect. This means that they

A) work best on antibiotic-resistant and antibiotic-intermediate bacteria.
B) kill bacteria using both bacteriostatic and bactericidal mechanisms.
C) have two drug components working together to create a more potent effect.
D) induce an antibody-driven immune response more quickly.
E) kill Gram-negative, Gram-positive, and mycobacteria equally well.