Which Statement Is TRUE About Language Acquisition in the Chimpanzee

Multiple Choice

Which statement is TRUE about language acquisition in the chimpanzee named Kanzi?

A) He was trained by researchers to use American Sign Language (ASL) .
B) He learned ASL by watching his mother sign.
C) He was the first chimpanzee to sign over 100 words.
D) He learned to communicate using a geometric keyboard system.