Which of the following arguments might a utilitarian use to oppose capital punishment?

Which of the following arguments might a utilitarian use to oppose capital punishment?

A. Capital punishment should not be legal because all humans have intrinsic moral value.

B. Capital punishment should not be legal because it is costly and has no deterrent effect on crime.

C. Capital punishment should be legalized because it is the only appropriate punishment for the crime of murder.

D. Capital punishment should be legalized because the majority of people in the United States favor the death penalty.