Which Statement Below About Mating Behavior Is Incorrect

Which statement below about mating behavior is incorrect?

A) Some aspects of courtship behavior may have evolved from agonistic interactions.
B) Courtship interactions ensure that the participating individuals are nonthreatening and of the proper species, sex, and physiological condition for mating.
C) The degree to which evolution affects mating relationships depends on the degree of prenatal and postnatal input the parents are required to make.
D) The mating relationship in most mammals is monogamous, to ensure the reproductive success of the pair.
E) Polygamous relationships most often involve a single male and many females, but in some species this is reversed.