问题描述：
十万火急的英语问题:in the office i never seem to have time until after
5:30pm,()many people have gone
A.whose time B.that C.on which D.by which time
请说明为什么选择D?并翻译句子
这两个词意思好像相同，为什么放这里？
until after
5:30pm,()many people have gone
A.whose time B.that C.on which D.by which time
请说明为什么选择D?并翻译句子
这两个词意思好像相同，为什么放这里？
until after
问题解答：
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