Read expert from “Mothers Tongue “

Then she began to talk more loudly. “What he want, I come to New York tell him front of his boss, you cheating me?” And I was trying to calm her down, make her be quiet, while telling the stockbroker, “I can’t tolerate any more excuses. If I don’t receive the check immediately, I am going to have to speak to your manager when I’m in New York next week.” And sure enough, the following week there we were in front of this astonished stockbroker, and I was sitting there red-faced and quiet, and my mother, the real Mrs. Tan, was shouting at his boss in her impeccable broken English.

How does this paragraph develop the idea that a person's ability to use language has nothing to do with his or her intelligence?

A It describes an occurrence in which the author, who has mastered the language, is shown to be less intelligent than her mother, who hasn't.

B It shows an instance in which someone with little mastery of a language nonetheless wisely and correctly recognizes that she is being taken advantage of.

C It depicts an incident in which having mastered a language actually proves to be a sign of foolishness or ignorance.

D It provides an example of a time when a person who struggled to use language effectively was outsmarted by someone who was more adept with words.