How Does the Referential Style of Early Speech Compare to the Expressive

How does the referential style of early speech compare to the expressive style?

A) It is more common, and consists mainly of words that refer to people or objects.
B) It is less common, and consists mainly of words that refer to people or objects.
C) It is more common, and contains many personal or social words.
D) It is less common, and contains a large number of personal or social words.