Finally Mary was admitted by Beijing University,for which she 9（?_英语解答

Finally Mary was admitted by Beijing University,for which she 9（?）five timesA.had triedB.wa
trying C.has tried D.tried

人气：157 ℃　时间：2019-09-17 03:57:17

解答

最后玛丽终于被北京大学录取了,虽然她尝试了五次.
a 吧
表示在前一个动作完成前已经完成了