M: Jessica is already 40 minutes late. Do you think she changed her mind about coming to join us? ,F: Actually, I can't say for sure.
(A) M: So, you mean you are not sure whether Jessica will come? (B) M: So, you mean although Jessica is just 5 mintues late, you are not sure whether Jessica will come. (C) M: I didn’t hear you. Please could you tell me again? (D) M: Really? You can say for sure but you can't bear Jessica's being late?
A