【题目】-What's up？ You look so happy．
-I just______Jane，an old school friend of mine，in Pingjiang Road．
A. came overB. came about
C. came acrossD. came around
在线课程【答案】C
【解析】
考查动词短语辨析。句意：——怎么了？你看起来很高兴。——我刚在平江路偶然遇到简，我的一个老同学。A 经过；B 发生；C 偶然遇见；D 苏醒，根据题意，故选C。