Christina Is Beginning to Feel Like a Giant Among Her

Christina is beginning to feel like a giant among her classmates and thinks that something is wrong with her.Which of the following best describes children's height gain during middle childhood?

A) Children's height typically increases about 6 inches a year until age 9,after which it remains stable until puberty.
B) Children generally grow about 3 inches from the age of 6 until the adolescent growth spurt begins.
C) School-age children grow an average of about 1 to 3 inches a year.
D) School-age children grow an average of about 4 to 5 inches a year.