I along the pavement yesterday when some strangers came up and asked me the way to the pol

问题补充：

I along the pavement yesterday when some strangers came up and asked me the way to the police station.

A. is wandering

B. was wandering

C. has wandered

D. had wandered

答案：

A. is wandering

(答案→)B. was wandering

C. has wandered

D. had wandered

解析：考察时态。句意：昨天当一些陌生人走进问我去警察局的路的时候，我正走在人行道上。根据句意说明是指昨天别人来问路的时候，所发生的事情，这是一个过去的时间点上正在进行，正在发生的事情。故使用过去进行时。故B正确。