Regarding Kanzi's Language and Grammar Skills, Which of the Following

Multiple Choice

Regarding Kanzi's language and grammar skills, which of the following was NOT one of the skills exhibited by this pygmy chimpanzee in the Rumbaugh study?

A) Kanzi's grammar was comparable to that of a six-year-old child.
B) Kanzi picked up some language rules from his caregivers but developed other patterns on his own.
C) Kanzi's sentences consistently followed correct word order.
D) Kanzi could understand about 650 spoken sentences.