Pawlowski and colleagues (2000)gathered data from over 3,000 Polish men,and investigated the hypothesis that sexual dimorphism in humans is the result of female choice.They found that there was a slight but significant level of sexual selection on ________.

A) the body mass index (BMI) of men in their twenties, thirties, and forties for both marriage and producing offspring
B) the weight of men in their twenties, thirties, and forties for both marriage and producing offspring
C) the height of men in their twenties, thirties, and forties for both marriage and producing offspring
D) the intelligence quotient (IQ) of men in their twenties, thirties, and forties for both marriage and producing offspring