The Scholastic Assessment Test (SAT) Shows Higher Average Scores for the Young

The Scholastic Assessment Test (SAT) shows higher average scores for the young men than for the young women who take the Mathematics subtest. This gender-related difference may reflect the influence of

A) women taking more math courses than men.
B) a test format that favors men.
C) brain development in the right hemisphere, which leads to better male performance in math.
D) all of the above
E) none of the above