A、  B、  C、  A助动词(should)开始的疑问句可以用Yes／No来回答。题干询问是否要拿走这些箱子，(A)项“不用，我要用它们”是切题的。(B)项中的back诱使考生联想到题干巾的out，是托业考试中常见的陷阱。

Didn’t we see these samples last week?
(A)I’d love to sample some.
(B)Sure, I’ll bring them next week.
(C)No, these are slightly different.

Should I take these boxes out?
(A)No, I’m going to use them.
(B)No, we have more in the back.
(C)They didn’t have any when I checked.