Which of the Following Statements About Differences Found in the Rates

Which of the following statements about differences found in the rates of psychological disorders in boys and girls at different ages is True?

A) Both boys and girls peak at approximately the same age.
B) Boys peak at age 13 but girls peak much earlier.
C) Boys peak at approximately age 9 or 10 but girls peak in their early 20s.
D) Boys peak around age 10 but girls reach their peak around age 16.