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

A：If; what

B：Whether; that

C：When; that

D：Whether; what

A：that

B：why

C：what

D：how

A：What

B：When

C：That

D：Whether

A：Whether

B：What

C：That

D：How

A：anyone

B：no matter who

C：whoever

D：whomever

A：whichever

B：no matter what

C：whenever

D：whatever

A：That

B：Which

C：What

D：As

A：what; what

B：that; what

C：what; that

D：that; that

A：Whatever

B：Whenever

C：However

D：No matter

A：What, that

B：What, what

C：That, that

D：Why, that