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

问题补充：

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

A. what

B. that

C. which

D. why

答案：

(答案→)A. what

B. that

C. which

D. why

解析：what在表语从句中作takes的宾语,构成“It takes sth.to do sth.”的句型。 