A、  B、  C、  C本句为询问宣传册为什么需要新图片的Why疑问句。

When will the factory machines be delivered?
(A) They considered several factors.
(B) She’s the supervisor.
(C) After we send our payment.

Why do we need new photographs for the brochure?
(A) No, they’re expensive to insure.
(B) They presented some graphs.
(C) Some pictures were lost.