The Findings That Specific Regions of the Brain Are Involved

The findings that specific regions of the brain are involved in language processing, that only humans learn grammar readily, and that there is a critical period for learning language all support the idea

A) that language is learned primarily through imitation and reinforcement.
B) that there is an inborn grammar-learning device.
C) called the semantic bootstrapping hypothesis.
D) that the processes that guide the learning of grammar are not built into the child's nervous system.