In General,why Does a Female Animal Tend to Choose Her

Multiple Choice

In general,why does a female animal tend to choose her mate more carefully than does a male?

A) Males tend to live longer than females.
B) Males do not produce as much sperm as females do eggs.
C) A female has more resources tied up in an egg than a male does in sperm.
D) Females use more of their resources in mate-attracting displays.