Efforts to teach language to nonhuman primates
A) prove that, with appropriate training, any animal can acquire a vocabulary of several dozen symbols.
B) show that, after extensive training, chimpanzees using sign language can produce short sentences with greater consistency than a preschool child.
C) have been completely unsuccessful because animals cannot learn even basic language.
D) support Chomsky's assumption that the capacity for elaborate grammar is unique to humans.
D
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a. sensation seeking b. perception c. aggression d. introversion