None of them knew what happened we told them about it.A. sinceB. afterC. untilD. while

发布时间：2020-08-21 14:08:54

None of them knew what happened     we told them about it.
A. since
B. after
C. until
D. while

网友回答

A. since
B. after
(答案→)C. until
D. while
解析：考查连词用法。since自从，after在…之后，until直到，while当…时候，句意：他们当中没有一个人知道出什么事了直到我告诉他们。根据语境应选C。
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