Perseverance is a kind of quality and that’s it takes to do anything well.
A. what
B. that
C. which
D. why
网友回答
(答案→)A. what
B. that
C. which
D. why
解析：主要测试表语从句。结合语境可知译文为：毅力是一种品质，并且它是做好任何事情所需要的东西。分析结构可知句子 it takes to do anything well中动词taike需要宾语，而且该句子还需要引导表语从句的引导词，故此选择what最佳。