The Natural Communication Systems of Language Have Been Studied in Other

Multiple Choice

The natural communication systems of language have been studied in other species:

A) in order to prove the existence of language universals.
B) as a means of defining which species relate to the human species.
C) and has revealed that some species have complex communication systems, the study of which leads to defining the critical attributes of human language systems.
D) to define the biological nature of human language acquisition.