I first met Lisa three years ago. She at a clothes shop at the time. A. has worked B. was

问题补充：

I first met Lisa three years ago. She at a clothes shop at the time.

A. has worked

B. was working

C. had been working

D. had worked

答案：

A. has worked

(答案→)B. was working

C. had been working

D. had worked

解析：考查时态。句意：我是三年前第一次遇见Lisa的，在那个时候她正在一家服装店工作。根据句意说明我们第一次见面的时候，她正在服装店工作，是指在过去的某个时间点上正在进行的动作，故使用过去进行时。故B正确。