After a Person Has Taken Antibiotics to Treat a Yeast

Multiple Choice

After a person has taken antibiotics to treat a yeast infection in the genitourinary tract,the yeast infection lessens and the microbes that are normally present reestablish themselves.The reason for the lessening of the yeast infection is explained by

A) predation.
B) symbiosis.
C) the competitive exclusion principle.
D) the co-inclusion principle.
E) endosymbiosis.