i ___the book twice when i was in the bookstore.A.havereadB.wasre_英语解答

i ___the book twice when i was in the bookstore.
A.havereadB.wasreadingC.hadreadD.read
答案是D.可是有twice不应该用完成时态吗.帮忙解答一下吧.多谢.

人气：429 ℃　时间：2020-03-19 14:32:20

解答

这两本书是在书店时读的,不是在书店时就已经读完.