The training of kanzi differed from the earlier language studies using other chimpanzees in that kanzi

The training of kanzi differed from the earlier language studies using other chimpanzees in that kanzi "observed his mother being trained while he was an infant."

Kanzi contrasted from Austin and Sherman in that he figured out how to utilize the image console suddenly as opposed to in uncommon instructional meetings. Kanzi has created image utilizing abilities in an unconstrained way without particular preparing, much in the sense human youngsters create dialect. 

The answer is c because the law is facts