The Parents of a 30-Month-Old Say That Their Daughter Is

The parents of a 30-month-old say that their daughter is not talking in short sentences.The most appropriate response is:

A) "Let's make an appointment with your pediatrician for an evaluation."
B) "Children of that age are too young to use short sentences."
C) "You don't need to worry until your child is at least 48 months old."
D) "Your child should have started talking in short sentences by 18 months old."