In the "Stinky T-Shirt" Studies,evolutionary Psychologists Asked Men and Women

In the "stinky T-shirt" studies,evolutionary psychologists asked men and women to rate the smell of groups of T-shirts that had been worn by either a man or a woman for three nights in a row.What did this unusual research design reveal?

A) Women who were ovulating could smell the difference between more or less genetically fit men.
B) Women could smell genetic fitness in men,and men could smell genetic fitness in women,but neither gender could smell genetic fitness in other members of their own gender.
C) Genetically fit individuals smell better than genetically unfit individuals.
D) Women are more sensitive to smell than men.