Bateman's (1948) Experiments with Fruit Flies Suggested Which of the Following

Bateman's (1948) experiments with fruit flies suggested which of the following?

A) Males engage in aggressive interactions prior to mating.
B) Females prefer to mate with the largest males in a population.
C) Males experience higher variance in reproductive success than females.
D) Females prefer those males with the largest ornaments.
E) Sexual selection does not occur in this species.