The correct answer is (D) Unselfishness; unselfish regard or concern for, or devotion to, the welfare of others. Consideration for other persons without any thought for oneself.

Altruism comes from French altruisme, Latin altrui (others).

Examples of use:

• Sister Theresa's life work could be described as altruism in action.
• The Salvation Army's role in caring for the homeless is one of altruism.