Which of the Following Is TRUE

Which of the following is TRUE?

A) Girls tend to be taller and heavier than boys until approximately age 9 or 10.
B) Boys tend to be taller and heavier than girls until approximately age 9 or 10.
C) Girls and boys are similar in heights and weights until they both begin the adolescent growth spurt at age 9 or 10.
D) Boys and girls are similar in height and weight until both begin the adolescent growth spurt at age 13 or 14.