Which of the Following Statements Is Accurate of Growth Patterns

Which of the following statements is accurate of growth patterns in middle childhood years?

A) In middle childhood, the average child's body weight doubles.
B) Girls are heavier and taller than boys through the age of nine or ten.
C) From the age of 11, boys develop relatively more body fat than girls do.
D) Children in middle childhood experience an even, slow growth rate.