40. What is the main argument used by skeptics against linguistic relativity in the final paragraph?
(A) Cultural differences are so large that it is impossible to create a universal theory of the mind.
(B) Language is just a product of culture and does not have any measurable effect on brain development.
(C) The human mind has a universal foundation that allows people to understand concepts even if they lack a specific word.
(D) Research is not reliable because it depends too much on what people say about their own feelings.