Your Nephew Is Short for His Age and Your Brother

Your nephew is short for his age and your brother thinks that he should get growth hormone treatments. Your brother sees your textbook and asks what it says about growth hormone treatments. What would you would you tell him?

A) "Most scientists believe that growth hormone treatments can make anyone taller as an adult."
B) "Growth hormone therapy should be used for children with known hormonal problems, not for all children who have a short stature."
C) "Growth hormone therapy is so inexpensive that it's worth a try even if it's not always effective."
D) "Growth hormone therapy has not been found to have any effect on growth rate."