According to the Evolutionary Perspective,why Do Human Males Help Their

According to the evolutionary perspective,why do human males help their female partner to raise their children?

A) Human males are kinder than the males of other species.
B) The offspring of fathers who help are better able to survive and reproduce.
C) Because human children nurse frequently, they are more difficult to raise than the offspring of other species.
D) Human females are helpless after the birth of a child.