看到for three years一般用现在完成时,此题用的是一般过去式,是什么用法?

问题描述:

看到for three years一般用现在完成时,此题用的是一般过去式,是什么用法?
i ______ in a foreign company for three years.still,i don't regret having given up the well-paid post.
Aworked
Bhave worked
cwas working 选A 求讲解.

做单选题时,一定要注意语境.这一题后半句话:still,i don't regret having given up the well-paid post.我不后悔放弃这一报酬优厚的职位.说明我已经放弃了这一工作.说明在这个公司工作是过去的事情了.因此选A.for +...