英语时态的问题
Our new English teacher, who is said to have moved back to China, _______in America for almost10 years.
A lived B. has lived C. was living D.had lived 答案选A,为什么不选C呢?
过去进行时可以表示过去某段时间内正在进行的动作，为什么这里不能表示过去10年里，一直生活在美国呢？