The problem _____ so quickly last night will not be set again .having been settled B settle C be settled D settled .选哪个?为什么不选C ? 谢谢
问题描述：
The problem _____ so quickly last night will not be set again .
having been settled B settle C be settled D settled .选哪个?为什么不选C ? 谢谢
答
选 A having been settled
“having been settled ”在句中作结果状语，来描述这个问题的状态。
问题在昨晚以及被解决，所以要用现在完成时，
The problem _____ so quickly last night will not be set again .
答
选D 前面用过去分词表示the problem 的状态 C 是被动语态 在本题中是不对的 因为前面的成分不是一个完整的句子 他做的是主语