Q18:
Analyzing campaign expenditures, the media has had as a focus the high costs and low ethics of campaign finance, but they have generally overlooked the cost of actually administering elections, which includes facilities, transport, printing, staffing, and technology.
A. Analyzing campaign expenditures, the media has had as a focus
B. Analyses of campaign expenditures by the media has been focus on
C. In analyzing campaign expenditures, the media have focused on
D. Media analyses of campaign expenditures have had as a focus
E. In their analysis of campaign expenditures, the media has been focusing on
我选D，答案选C，但后面的they 无指代，难道指代media?
首先B错，主谓不一致，剩下的只能是B 了，请NN指点 | 
