Which Statement Is Consistent with Noam Chomsky's Theories of Language

Which statement is consistent with Noam Chomsky's theories of language

A)  Reinforcement is the main factor in language learning. 
B)  Biological factors play a relatively minor role in language development. 
C)  There is an inborn biological propensity that guides language learning. 
D)  Language is almost wholly a matter of social learning.