All flights ________ because of the terrible weather,they ha

来源：学生作业帮编辑：灵鹊做题网作业帮分类：英语作业时间：2024/05/04 05:54:17

All flights ________ because of the terrible weather,they had to go there by train.
A.having been canceled
B.had been canceled
C.having canceled
D.were canceled
要详解

逗号后的句子是一句完整句子而且没有连词,所以前面那句就不是完整的句子,BD排除,
这里航班是被取消,所以C排除.选A
可是我记得老师说过have的现在分词不能做后置定语的啊、奇怪- -
LX、可是如果选B的话前后都是完整句子,需要连词,后面没有连词诶、、

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