Psychologists Have Attempted to Teach a Number of Nonhuman Primates

Multiple Choice

Psychologists have attempted to teach a number of nonhuman primates to communicate using American Sign Language. Which of the following statements accurately reflects a limitation of the linguistic accomplishments of these animals

A) In their use of signs, these animals focus overwhelmingly on food and pleasure; they communicate only rarely about social relationships.
B) Animal language is not nearly as creative and novel in its construction and use as human language is.
C) Nonhuman primates struggle to learn each new sign; learning language never gets any easier for them.
D) A, B, and C