问题详情

Which of the following would Gerald Crabtree most likely DISAGREE with？

A．Genetic mutations play a significant part in the decline of human intelligence.

B．Harmful mutations tend to be unchangeable and easy to get rid of.

C．Human beings today are no longer pressured to improve their intellect.

D．Natural selection is useful in the process of evolution only on some occasions.

请帮忙给出正确答案和分析，谢谢！