I could have been on time for the meeting,but I ____ in a tr

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I could have been on time for the meeting,but I ____ in a traffic jam for over half an hour.
A.have caught B.have been caught C.was caught D.caught这题的正确答案是C.这里为什么要用过去式不是用完成时?"for+一段时间"不是完成时的标志吗?

不要想太多,因为应该是过去时,所以就用过去时,这句话强调的是前面的,不用完成时,for+一段时间,不一定要用完成时,如果是单独的句子,for+一段时间是用完成时,而且一般是表示延续的状态.这里是catch,瞬间动词,不用完成.
懂了没?

I could have been on time for the meeting,but I ____ in a tr I could have arrived on time for the conference,but our flig I should have been there,but I could not find the time I should have been here ,but i could not find the time.怎么翻译 She could have been in time for the interview,but her flight i have been on the basketball team for a long time i ( ) have been there,but i ( ) not find the time The meeting has been on,but I don't know where the meeting _ I wonder __we could have a talk after the meeting . Could i have a word with you after the meeting This was the first time that i ____ the country.A:have been I have been living in the United States for twenty years,but