为什么选b不选a---Hi,Nancy,I didn't know you had come back .So have you _英语解答

为什么选b不选a
---Hi,Nancy,I didn't know you had come back .So have you graduated from college?
---Yes.I（） French for four years in Dalian University of FOreign languages.
a.had studied b.studied

人气：396 ℃　时间：2020-07-02 03:14:17

解答

这里说的是毕业以前曾经学过,也就是过去的一段时间曾经学过,而不是毕业前再往前追朔一段时间学过,过去时态studied正是指的前者,而had studied却指的是后者.