Little Billy's Language Has Continued to Grow Steadily in Recent

Multiple Choice

Little Billy's language has continued to grow steadily in recent months. Lately his parents have noticed he is filling in his sentences from what used to be "Billy play" to "Billy goes out to play." He is also using past tense as well as present tense, and is beginning to ask "Why?" If Billy's language development is typical, he is about ________ years of age.

A) 5 to 7
B) 1 to 2
C) 2 to 3
D) 3 to 5