A Behavior That Can Increase Reproductive Success of an Individual

A behavior that can increase reproductive success of an individual male in a species is

A) that, although more a physiological trait than a behavior, more sperm can be produced or released.
B) All of the answer choices are correct.
C) removal of the sperm from other males, so that there will be no successful fertilization.
D) post-mating physical competition to block other males from subsequently mating with the female.
E) direct physical competition for the "right" to mate with a particular female.