The Killing of South Vietnamese Civilians by American Soldiers in the Village

The killing of South Vietnamese civilians by American soldiers in the village of My Lai

A) was not learned about until years after the war had ended.
B) did not result in any convictions of the Americans who took part.
C) attracted little public attention in the wake of the Cambodian invasion and the Pentagon Papers.
D) both was not learned about until years after the war had ended,and did not result in any convictions of the Americans who took part.
E) None of these answers is correct.