Regarding Gender Differences in Intellectual Abilities, Which of the Following

Regarding gender differences in intellectual abilities, which of the following statements is TRUE?

A) Males and females do tend to differ in overall intelligence with females, as a group, showing an overall higher IQ average.
B) Test items on IQ tests are selected to be equally difficult for both sexes.
C) For decades, men, as a group, performed best on items that required verbal abilities, vocabulary, and rote learning.
D) The small differences in male-female intellectual skills that remain appear to be based on a tendency for parents and educators to encourage females, more than males, to learn math and spatial skills.