_By success I don’t meanusually thought of when that word is used.A. what isB. what hasC.

问题补充：

_By success I don’t meanusually thought of when that word is used.

A. what is

B. what has

C. that is

D. that has

答案：

(答案→)A. what is

B. what has

C. that is

D. that has

解析：考查连词。what 引导宾语从句，在从句中作主语，is thought of 的意思是“被认为”。