jack said it was just that was worring him most.此句有何错误,如何分析句子结构?Jack said it was just that was worrying him most.此句为何要改that 为what,如何分析句子结构?

问题描述:

jack said it was just that was worring him most.此句有何错误,如何分析句子结构?
Jack said it was just that was worrying him most.此句为何要改that 为what,如何分析句子结构?

jack said 去掉,it was 主谓 然后就该是宾语从句了 它就是困扰他最多的东西 就东西提问用what 时间用when etc.