The author describes altruism as… A. helping others out of moral obligation. B. putting yourself in risky situations for others. C. acting with a selfless concern for others. D. disregarding your own safety.

In contrast of selfishnes, altruism represents a need to help or assist others, without regard to rewards or returned favors.

Explanation: So it’s choice A

an apparently unselfish concern for others or behavior that provides benefit to others at some cost to the individual.

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d is the best answer for this question.