企源知识库

I first met Lisa three years ago. She ________ at a radio shop at the time.
A、has worked
B、was working
C、had been working
D、had worked
【正确答案】：B
【题目解析】：句意三年前我初次见到丽莎。那时她正在一个无线电商店工作。根据句意，指见到丽莎时她正在工作，故用过去进行时，故选B。