M: I'm hungry, do you want to go to the burger shop and get something to eat? ,F: Sure, but I need to stop at the drug store first. I need some vitamins. ,M: Why do you want to waste your money? Vitamin pills don't really help you.
(A) F: I'm so surprised that you think vitamin pills are useless. (B) F: I'm glad that you think vitamin pills are effective. (C) F: I didn’t hear you. Please could you tell me again? (D) F: I agree with you. Vitamin pills are useless. That's why I don't need to stop at the drug store first.
A