Have you returned the books to library?- A.Yes,I did B.NO,Idon't C.NO,I hadn't D.NO,not yet为什么选D原因

Have you returned the books to library?- A.Yes,I did B.NO,Idon't C.NO,I hadn't D.NO,not yet为什么选D原因
Have you returned the books to library?- A.Yes,I did B.NO,Idon't C.NO,I hadn't D.NO,not yet
为什么选D原因

Have you returned the books to library?- A.Yes,I did B.NO,Idon't C.NO,I hadn't D.NO,not yet为什么选D原因
问句用现在完成时,回答也用现在完成时
而A用的是一般过去时,B 用的是一般现在时,C 过去完成时的答语
所以答案：D
翻译：你把书归还图书馆了吗?
还没有呢.