Which of the Following Statements Does Not Accurately Reflect the Origins

Which of the following statements does not accurately reflect the origins of antimicrobial drugs?

A) All antimicrobial drugs are synthesized by medicinal chemists in a laboratory environment.
B) Bacteria and fungi are natural producers of antimicrobial drugs; the molecules are synthesized to maintain competition for nutrients and space to a minimum.
C) Scientists have learned how to modify antimicrobial molecules naturally produced by organisms to enhance their efficacy and range.
D) Some antimicrobial agents are synthesized wholly in the laboratory.