—Do you think you will be able to finish your writing by five o’clock today?— . I’ll be bu

问题补充：

—Do you think you will be able to finish your writing by five o’clock today?

— . I’ll be busy with experiments all day.

A. Not a chance

B. Not a little

C. Not to mention it

D. Not a big deal

答案：

(答案→)A. Not a chance

B. Not a little

C. Not to mention it

D. Not a big deal

解析：句意: --你认为你能在今天5点以前完成写作吗？--不可能，我将一整天都在忙着实验。Not a chance不可能；Not a little非常；Not to mention it 甭客气；Not a big deal不是什么大事。根据句意故选A。