The story of J.B.S. Haldane is mentioned in the text According the theory of kin selection, humans tend to act altruistically

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问题 The story of J.B.S. Haldane is mentioned in the text
According the theory of kin selection, humans tend to act altruistically

选项 A、for the sake of desired reproduction.
B、out of self-interest.
C、on the request of natural selection.
D、because of kind nature.