Which Statement Is Correctly Matched with Its Function in Evaluating

Which statement is correctly matched with its function in evaluating the role of nature on the one hand and nurture on the other in contributing to observed sex differences in intellectual performance

A) Women earn fewer degrees in the hard sciences than do women -- uninformative
B) As infants, boys and girls show few if any differences in spatial and counting abilities - supports nurture
C) Men demonstrate greater variability in overall intelligence than do women - supports nature
D) The number of women earning degrees in the hard sciences has increased in recent years - supports nature