Which of the following is a common argument against the U.S. decision to drop the atomic bomb?

Which of the following is a common argument against the U.S. decision to drop the atomic bomb?

A. The study of the effect of atomic weapons allowed nuclear power to be used as energy.
B. The use of the atomic bomb avoided additional loss of life for the Allies.
C. The Japanese were more willing to surrender than the U.S. military thought.
D. The dropping of the atomic bomb would act as a deterrent to future wars.