题目内容：

英语一个句子结构不明白?
It was not her success at university that had made her famous.
THAT是什么成分啊?
还有HAD是什么成分啊.做什么用?
好像去掉也可以啊,

优质解答

that后面是主语.
这句话是it做形式主语.
正序应该是Had made her famous was not her success at university.
在大学里她除名并不代表她成功.