Which of the Following Statements Is True of Selective Toxicity

Which of the following statements is true of selective toxicity?

A) Selective toxicity takes advantage of structural similarities between host and pathogen.
B) To be effective, an antimicrobial agent must be more toxic to the patient than the pathogen.
C) Selective toxicity takes advantage of differences in metabolic rates of the host and pathogen.
D) Selective toxicity damages only pathogenic bacteria and not beneficial bacteria.
E) Selective toxicity takes advantage of structural and/or metabolic differences between host and pathogen.