One Study Tried to Determine Whether Men Prefer Women Who

One study tried to determine whether men prefer women who are blonde or women who are brunette. The hair color of the men also was varied. The experimenter found that both light and dark-haired men prefer blonde women to brunettes, but the effect was much greater for dark-haired men than for light-haired men. These results reflect

A) a main effect and no interaction
B) two main effects
C) neither a main effect nor an interaction
D) both a main effect and an interaction