I believe it's deceit because when helmer asked if she had ever taken a bite of the Macaroon Nora got very defensive and sounded nervious.
Answer: C “but it says all men”
The answer is B. Tan is presenting the example <em>"limited English"</em>, which is just <em>one of many</em> other terms she heard before, to express how bad they seem. Because, when people deem those whose knowledge of the Mother Tongue <em>is not as the native speaker</em>, therefore is limited, they are defining everything as limited, even their speaking perceptions.