Answer: Chomsky would say it is Martin's LANGAUGE ACQUISITION DEVICE that helped him accomplish that skill.
Step-by-step explanation:
The langauge acquisition device by Chomsky give a description to how children get to acquire the language as they interact with people around them and they able to grasp the language just within few years.
He suggest that we are all born with the ability to understand a human language.
As the child learns within their mother tongue langauge they also learn the rules that are used in speaking that languages.