---Remember how we met for the first time, Dick?
---Of course I do. You _________ to the teachers' office hurriedly and ___________ me.

A．had walked; weren't noticing	B．were walking; didn't notice
C．had been walking; noticed	D．walked; had noticed

科目 英语   题型 单选题   难度 中等

知识点： 动词语态