its reported that china will not buy the european debt until

来源：学生作业帮编辑：作业帮分类：英语作业时间：2024/06/03 15:41:56

its reported that china will not buy the european debt until some research ___.
its reported that china will not buy the european debt until some research ___.
A.will be done .B.has been done.C. had been done D.will have been done求解啊顺便说原因

B

用现在完成时代替将来完成时, 因为这是until 引导的时间状语从句, 不可用将来时 , 主将从现

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再问： until引导的时间状语从句也符合主将从现这个原则？你确定？
再答：绝对！！！！！

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