SpeakerA:I’mtiredMaybewecanfinishittomorrowSpeake

Speaker A: I’m tired. Maybe we can finish it tomorrow.

Speaker B:__________ We could do it first thing tomorrow morning.

A． Why not!

B． Can we?

C． You sure’?

D． Shall we?

正确答案：A
说话人A累了建议明天再完成此事说话人B表示赞成whynot(当然可以)符合题意为正确答案