According to Chomsky's nativist view of language acquisition:

a. humans are born with a hard-wired set of principles and rules that govern learning grammar in all languages
b. grammar is a by-product of the growth of vocabulary and increasingly complex thought
c. learning new words is a domain general skill that develops through connectionism
d. children learn language primarily through imitation and operant conditioning

Answer: a. humans are born with a hard-wired set of principles and rules that govern learning grammar in all languages