Which of the Following Is True of William Calley

Which of the following is true of William Calley?

A) He was a corporal who provided proof to U.S. Senate investigators that three American officers were victims of "fragging."
B) He was a soldier who was tried and executed for cowardice in the face of the enemy.
C) He was an army lieutenant convicted for his involvement in the atrocity known as the My Lai massacre.
D) He was a World War II veteran much vilified by the American Legion and other veterans groups for his outspoken opposition to the Vietnam War.