The term" electronic city" in paragraph 2 refers to ________.

A．the jury acquitted the policemen who had beaten Rodney King
B．people can make their own judgments
C．video coverage from helicopters had made people angry
D．video coverage had provided powerful feedback

A．electronic media can extend one’s contact with the world
B．those living far away from a certain event can also have some perception of realities by watching television
C．all the events occurring on the university campus at Berkeley were given national media coverage
D．video coverage of the 1989 San Francisco earthquake gave the viewers the impression of total disaster