A. Information services are accessible to enough people to ensure that political advocacy groups can use these services to reach as large a percentage of the public as they could through traditional news sources.
B. People could get a thorough understanding of a particular political issue by sorting through information provided by several traditional news sources, each with differing editorial biases.
C. Information on political issues disseminated through information services does not come almost entirely from advocacy groups that share a single bias.
D. Traditional news sources seldom report the views of political advocacy groups accurately.
E. Most people who get information on political issues from newspapers and other traditional news sources can readily identify the editorial biases of those sources.
地址：上海徐家汇中心：虹桥路355号 城开国际大厦 5层。
地址：武汉市珞瑜路光谷世界城1栋1单元 14层 11421