TOEFL Listening: ETS-TOEFL听力机经 - 534BZTS33F963IECP$

According to the theory of utilitarianism explained in the lecture, what criterion determines whether a person's action is right? A. If it does not hurt anyone B. If it is in the person's own best interest C. If it helps the person fulfill an obligation D. If it benefits the greatest possible number of people