Steve Jobs’ success in digital field proved it took to be a best CEO.A. whatB. whichC. th

问题补充：

Steve Jobs’ success in digital field proved it took to be a best CEO.

A. what

B. which

C. that

D. how

答案：

(答案→)A. what

B. which

C. that

D. how

解析：考查宾语从句：句意：斯蒂夫乔布斯的成功证明了要想成为最好的CEO需要什么。Prove后面是宾语从句，宾语从句中take缺少宾语，用what连接，which“哪个”，that在从句中不做成分，how怎样，不符合句意。选A。