Miss Yang ____as a secretary for five years in the company ,and now she is general manager of it .

问题描述:

Miss Yang ____as a secretary for five years in the company ,and now she is general manager of it .
B served D had served 答案是B耶,可我选的是D,

答案为B
强调过去和现在的对比
请及时采纳,不懂继续问如果要选D,此句子应改成什么样没法改。 因为过去完成时指过去的过去, 本句没有一个特定的过去时间