Analyzing campaignexpenditures, the media has had as a focus the high costs and lowethics of campaign finance, but they have generally overlooked the cost ofactually 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 focused on C. In analyzing campaign expenditures, the media have focused on D. Media analyses ofcampaign expenditures have had as a focus (C) E. In their analysis of campaign expenditures, the media has been focusingon 答案C,但我觉得C中开头应去掉in,有它反而很awkward,也不知道in在这里起什么作用。期待牛牛来帮我解释这个in在这里是干嘛的。