A、  B、  C、  B这道问题询问募捐活动的目的，(B)项说为孩子们买书，因此是符合题意的。而(A)项中出现的medical insurance容易使考生联想到题干中的benefit，从而起到干扰作用。(C)项又出现了题干

You’re finished with the newspaper, right?
(A) It ended last month.
(B) I just ordered a subscription.
(C) Yes, you can take it if you like.

What is the benefit for?
(A) We offer medical insurance.
(B) It’s to buy books for children.
(C) Your benefits will start next week.