The "Watchdog" Role of the Media Is One in Which

The "watchdog" role of the media is one in which the press should

A) uncover as much information as possible about the private lives of candidates for public office.
B) take sides on controversial issues.
C) help the president achieve his policy agenda.
D) dig up facts and warn the public when officials are doing something wrong.
E) report who's winning or losing an election as based on public opinion polls.