Natural Selection Has Fueled the Rise in MRSA (Methicillin-Resistant Staphylococcus

Multiple Choice

Natural selection has fueled the rise in MRSA (methicillin-resistant Staphylococcus aureus) infection by

A) enabling people to use a greater variety of antibiotic drugs to fight the infection.
B) inactivating a greater variety of antibiotic drugs.
C) enabling certain bacterial variants to survive in the presence of many antibiotic drugs.
D) killing all bacteria exposed to antibiotics, including helpful ones.
E) creating bacterial strains that can resist multiple antibiotic drugs.