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.