A、  B、  C、  B

Could we meet right after lunch?
(A) Sure, is 2 o’clock O.K.?
(B) Would you like coffee or tea?
(C) Was that the first time we met?

Let’s work on the project tonight.
(A) I walk there every night.
(B) O.K., I’m free after 6:30.
(C) I can’t go to the gym tonight.