What Was the Main Conclusion of Martin's (1987)research Comparing Actual

What was the main conclusion of Martin's (1987) research comparing actual gender differences to stereotypes of gender differences?

A) There are very few actual gender differences.
B) Stereotypes of gender differences are smaller than actual gender differences.
C) Men actually rated themselves as more tender and compassionate than women.
D) Stereotypes are magnifications of smaller actual gender differences.