According to the Author, the Most Impressive Advantage of Utilitarianism

According to the author, the most impressive advantage of utilitarianism is that it:

A) shows any type of act e.g. lying) might, under the right circumstances, be morally right.
B) explains what pleasure is.
C) provides a criterion for judging legislation.
D) reduces complex moral problems to problems of investigation and addition.
E) doesn't require us to assume the existence of God.