During the Holophrastic Stage of Language Acquisition, What Is the Proposed

During the holophrastic stage of language acquisition, what is the proposed communicative function of the one-word terms the child uses?

A) They are labels for common objects or actions that occur frequently.
B) They are imitations of adult words that have little meaning for the child.
C) They are attempts to express complex or elaborate ideas with a single word.
D) They represent an understanding by the child that speech is rule-governed.