问题补充:
Michael Jordan has failed over and over again in his life. And that is he succeeds.
A. what
B. when
C. why
D. where
答案:
A. what
B. when
(答案→)C. why
D. where
解析:what什么;when什么时候; why 为什么;where在哪儿。句意:在他的一生中,米歇尔乔丹失败了一次又一次。那就是他成功的原因。表语从句中不缺少句子成分,结合语境可知选C。