Applied to a Situation Like the Torture of Iraqi Prisoners

Applied to a situation like the torture of Iraqi prisoners in American prison Abu Ghraib, Milgram's and Asch's findings would indicate that

A) there was a serious breakdown in respect for authority that caused soldiers to violate the international standards for treatment of prisoners.
B) the cause of the American soldiers' inhumane treatment of prisoners is partly the structure of the situation and group pressure.
C) American soldiers would only commit torture if following a direct order with fear of punishment for not carrying it out.
D) soldiers are more sadistic than the average college student or American citizen.