For a Benefit to Qualify as a Function of Short-Term

For a benefit to qualify as a function of short-term mating,__________.

A) the benefit had to be the same for both men and women who engaged in short-term mating
B) the benefit had to be recurrently reaped by those who engaged in short-term mating under certain conditions
C) the fitness costs of short-term mating had to outweigh the benefit
D) the benefit must be present universally today as a result of modern short-term mating