Deacon Proposed That Language

Deacon proposed that language:

A) And the brain co-evolved in an interactive way, converging towards a common solution of cognitive and sensorimotor problems
B) Arose from a communication system through many interacting "tweaks and twiddles"
C) Arose not from primate calls, but from primate gestures
D) Arose not from primate gestures, but from primate calls
E) Arose as a side effect of the evolution of something else, such as an increase in overall brain size