—I don’t think I’ll be able to go mountain-climbing tomorrow.—?A. And howB. How comeC. How

问题补充：

—I don’t think I’ll be able to go mountain-climbing tomorrow.

—?

A. And how

B. How come

C. How’s it going

D. How about it

答案：

A. And how

(答案→)B. How come

C. How’s it going

D. How about it

解析：考查交际用语。.And how，怎么样；How come怎么回事；How’s it going你最近还好吗；How about it要不要考虑一下。我想我明天不能去爬山了？怎么回事？所以选B。