Early Studies of Mathematical Abilities Showed That ______

Early studies of mathematical abilities showed that ______.

A) young boys and girls have equivalent math skills,but beginning at age 12 or 13,boys begin to outperform girls
B) junior high-aged females score about 30 points higher on the SAT math section than males do
C) 13 times as many girls as boys have scores above 700 on the math section of the SAT
D) gender differences are smaller for algebra than for geometry or arithmetic