A-A+
A．Why species don't avoid extinction by adapti
问题详情
A．Why species don"t avoid extinction by adapting.
B．Why species become extinct at the rate they do.
C．Why humans aren"t extinct.
D．How many species aren"t extinct.
参考答案
正确答案：A
解析：根据对话中女士所说的I thought they were continuously improving themselves． Natural selection…．可知，女士对物种不能够通过适应环境来避免灭绝这一问题感到很困惑，故答案为A。选项中的adapting对应对话中的 improving themselves。
