(2013·南昌10所省重点中学二模)Mary as a secretary in this company for twenty years and now
来源：网络
时间：
推荐文章
(2013·南昌10所省重点中学二模)Mary ________ as a secretary in this company for twenty years and now she stays at home taking care of her own garden.
| A．has served | B．had served |
| C．is serving | D．served |
试题答案
D
解析