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While the train was still moving, a young man .A.had suddenly jumped outB.suddenly jumped outC.had s

编辑:chaxungu时间:2026-04-24 12:52:23分类:高中英语题库

While the train was still moving, a young man ________.
A.had suddenly jumped outB.suddenly jumped outC.had suddenly been jumping outD.was suddenly going to jump out在线课程B