In 1967,opposition to the War in Vietnam Became More Mainstream

In 1967,opposition to the war in Vietnam became more mainstream when

A) the media started to cover anti-war protests.
B) news from the Tet Offensive demonstrated that the war was unwinnable.
C) the release of the secret Pentagon Papers highlighted the many ways in which previous administrations had lied to the American people.
D) Senator William J. Fulbright of Arkansas, Chairman of the Foreign Relations Committee, and Martin Luther King Jr. openly criticized the war.
E) Johnson himself began to voice doubts about the merit of the war.