After Teaching a Group of Parents About Ear Infections in Children

After teaching a group of parents about ear infections in children, which statement indicates that the teaching was successful?

A) Infants with congenital deformities have an increased risk for ear infections.
B) Ear infections typically increase as the child gets older.
C) The shorter and wider eustachian tubes of an infant increase the risk.
D) Adenoids shrink as the child grows, allowing more bacteria to enter.