Perseverance is a kind of quality and that’s it takes to do anything well.A. whatB. that

问题补充：

Perseverance is a kind of quality, and that’s it takes to do anything well.

A. what

B. that

C. when

D. why

答案：

(答案→)A. what

B. that

C. when

D. why

解析：考查名词性从句。句中what引导表语从句，在从句中作宾语，故选A。