Sorry you’ll have to wait for a day or two and then your dress .OK I’ll come to

问题补充：

--- Sorry, you’ll have to wait for a day or two and then your dress .

--- OK, I’ll come to fetch it then.

A. is finished

B. will be finished

C. has been finished

D. will have finished

答案：

A. is finished

(答案→)B. will be finished

C. has been finished

D. will have finished

解析：finish发生在将来，和主语之间又是被动的关系。