The Graph Below Shows the Size of the Male and Female

Multiple Choice

The graph below shows the size of the male and female in a large number of matings of an insect species observed in nature.A separate study showed that large females produce more eggs than small females.Which of the following statements is a possible explanation for the observed pattern?

A) Large males are more successful at defending access to large females.
B) The samples were taken along an environmental gradient that influences the body size of both males and females.
C) Females compete for high quality large males, and larger females win the competition.
D) All of the above