Regarding Chimpanzees' Communication Abilities,which of the Following Statements Is FALSE

Regarding chimpanzees' communication abilities,which of the following statements is FALSE?

A) The ability of chimpanzees in the language experiments to invent a simple grammar may help us better understand the roots of human language.
B) Unless chimps are trained, they will not use simple gestures to communicate with humans.
C) Noam Chomsky insists that if chimps were biologically capable of language they would use it on their own.
D) For the most part, natural animal communication is quite limited.