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
网友回答
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。