Question

英语选择题（请说明原因）

Network television, magazine, and direct mail— ( ) will be the bigh gainers in advertising revenues next year.

A. which B. these C. they D. all

Answer 1

Network television, magazine, and direct mail— ( that ) will be the big gainers in advertising revenues next year.
A. which B. these C. they D. all
答：我查过原题，没有打错，是改错题。2010下半年英语二级《笔译综合》样卷。
选择C。they为同位语。

追问

是这套样卷，考试大纲上这套试卷此题答案是选D的啊

追答

改错题，改法可能不止一种，其实用all也是可以的，可能是题目没有出好吧？我感觉除which外，三个都可以似的。我查的这个版本，这是其中的44题，答案是C。
http://wenku.baidu.com/view/6bb2a722aaea998fcc220e6b.html

Answer 2

D. all

不能用A 因为如果是定语从句.

(which will be the bigh gainers in advertising revenues next year)

主语"Network television, magazine, and direct mail"之后,就没有谓语了.

Answer 3

D,

Answer 4

D