According to linguist Noam Chomsky, a language acquisition device (LAD) is

• A. the latest technology in teaching deaf people to talk.
• B. an innate human ability to understand and produce language.
• C. a device that aids in language translation for international business.
• D. present in all animals and helps them learn symbols for language.

Answer: (B)

Verified step by step guidance

1. Begin by understanding the context of the question, which is about Noam Chomsky's theory related to language acquisition.
2. Recognize that Noam Chomsky is a renowned linguist who proposed the concept of a 'Language Acquisition Device' (LAD).
3. Understand that the LAD is a theoretical construct that suggests humans are born with an innate ability to acquire language.
4. Differentiate between the options given: the LAD is not a technological device, nor is it present in all animals, nor is it for business translation.
5. Conclude that the correct understanding of LAD is that it is an innate human ability to understand and produce language, according to Chomsky's theory.