By 1967, How Did Television Coverage of the War in Vietnam

By 1967, how did television coverage of the war in Vietnam influence the American public's opinion about this conflict?

A) Scenes of human suffering and devastation convinced the public that the Johnson administration's moral justification of U.S. involvement in Vietnam as a defense of freedom and democracy was no longer true.
B) Americans were angered at the Communist victories of the North Vietnamese troops and Vietcong guerrillas and this led them to support the war as a struggle to defeat Communism.
C) Americans continued to put their trust in President Johnson and were convinced that the end of the war was in sight.
D) Network news largely ignored the conflict in Vietnam, so the American public was unaware of what was taking place there.