school will break up on july 1 ,______which time we will have got_英语解答

school will break up on july 1 ,______which time we will have got our school report.
A.by B.during C.at D./
我选C的为什么答案是A?

人气：134 ℃　时间：2019-09-27 20:22:27

解答

因为后半句话的意思是,截至什么时候我们能拿到我们的报告?“截至某某时间”在英语里用的是by.