Which of the Following Is the Best Summary of Ethical

Which of the following is the best summary of ethical egoism?

A) Ethical agents have the duty to pursue their self-interests even at the expense of others.
B) Ethical agents form their moral compasses by reflecting upon their own ideals.
C) We are driven to achieve our self-interests because of biological mechanisms.
D) Self-identity together with our instincts and consciences form the totality of our beings.