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He the army for 8 years so he is an experienced solider now.A.has joinedB.had joinedC.has been inD.w

编辑:chaxungu时间:2026-04-24 12:56:44分类:高中英语题库

He ________ the army for 8 years so he is an experienced solider now.
A.has joinedB.had joinedC.has been inD.was in在线课程C
join是短暂性动词,不能与表示一段时间的词连用;既然是一段时间,多与完成时连用,故选C项。