Question

Shall we have a drink when you finish you talk?ANo,you can't B.All right CYou'rewelcome

D.You needn't do that
原因

Answer 1

B
该题是征求对方的意见而不是发出邀请，因此答话人只需表示赞同与否即可。而A、C、D均属对邀请的回复（姑且不论其语气怎么样），不属于对征求意见的答复。故答案只能是B。

题意：
—— 你讲完后咱们去喝一杯可好？
——好吧。

Answer 2

Shall we have a drink when you finish you talk? B
ANo,you can't B.All right CYou'rewelcomeD.You needn't do that

Answer 3

B A 不行 B当然可以C不用谢D你不需要做哪些,(题意是邀请对方去喝东西)

Answer 4

B
all right 表示没问题。