Which of the Following Best Describes the "Ethics of Purpose

Which of the following best describes the "ethics of purpose" theory of ethics?

A) Any means used to achieve an end can be justified if it is believed to be rational.
B) The value of the means used to achieve an end can only be judged by the end.
C) It is inconsistent with human purpose to use bad means to achieve a good end.
D) Ethical actions are those that provide the greatest balance of good over evil.