In " Homesick," why does Jean finally tell Lin Nai-Nai to say "good day" rather than "sewing machine"? A. She realizes that Ian Forbes has tried to trick Lin Nai-Nai into saying something foolish. B. She realizes that she was wrong to teach Lin Nai-Nai to use the wrong words when greeting someone. C. She realizes that Lin Nai-Nai is not the one who told the little boy to call her a "foreign devil." D. She realizes that Lin Nai-Nai could lose her job if she says the wrong thing to Dr. Carhart.