F: Do you want me to refill your Cup, Sir? It's free. ,M: No. Another cup of coffee would just burst my belly, thanks anyway.
(A) F: Oh, you have a stomachache and you need a coffee. (B) F: I’m sorry, I don’t understand. Could you say it again? (C) F: OK. Though you are full, you still need me to refill the cup, right? (D) F: OK. You mean you have had enough.
D