It is not the strongest of the species that survives, nor the most intelligent that survives. It is that is most adaptable to change.
A. one
B. that
C. the one
D. this
网友回答
A. one
B. that
(答案→)C. the one
D. this
解析：考查代词：句意：不是最强的物种能生存下来，也不是最聪明的。而是最能适应变化的。可知这里需要代词代替：the species，用the one特指上文出现的可数名词单数。A. one泛指可数名词单数，B. that特指可数名词单数或不可数名词， D. this指代下文，选C。