I want to know whether it was ______ that caused the failure of the project.A his carelessness B he was so careless C because he was so careless D because of his carelessness 为什么是第四个 答案是第四个 为什么不能是第一个 当成

来源:学生作业学帮网 编辑:学帮网 时间:2024/05/15 14:45:29

I want to know whether it was ______ that caused the failure of the project.
A his carelessness B he was so careless C because he was so careless D because of his carelessness 为什么是第四个 答案是第四个 为什么不能是第一个 当成强调句 为什么不行

A his carelessness
因为被强调部分是原句的主语(名词词组),不是原因状语