Which of the Following Is an Elements of Evolutionary Theories

Which of the following is an elements of evolutionary theories of mate selection?

A) men prefer mates who are older and physically attractive.
B) women invest more than men in childbearing and parenting.
C) both women and men are likely to select mates who are opposite to themselves in key characteristics such as ethnicity, religion, and age.
D) women and men both choose mates slowly and .