企源知识库

I___an old schoolmate while taking a walk yesterday.
A、ran over
B、ran after
C、ran into
D、ran down
【正确答案】：C
【题目解析】：run over 匆匆看；run after 追求；run into 撞上，偶然碰到；run down 撞倒句意：昨天我在散步时碰到了一位老同学。