Answer:
A. Universal grammar
Step-by-step explanation:
Universal Grammar is a theory of language development developed by Noam Chomsky. According to this theory, Chomsky stated that human brain constitutes of 'universal grammar' which enables a child to acquire knowledge of grammar regardless of language. The theory was developed in the 1960s.
So, in the given case, the idea of acquiring language from personal experience and genetic predisposition supports the theory of universal grammar by Noam Chomsky.
Therefore, the correct option is A.