Which of the Following Is an Example of Utilitarianism

Which of the following is an example of utilitarianism?

A) Maxtel Apparels decides to shut down one of its plants because its functioning was threatening other plants.
B) Turner, Inc., a leather factory, pollutes a river in the town in which it operates but offers damage relief for people affected by the river pollution.
C) Raul, a football player, decides to cheat in the upcoming match just because the rival team follows a similar approach.
D) Matt looks up to his religious book to guide his life in the righteous way.