I _____ my university professor in the supermarket near my house, which was out of my expectation.[ ]

A. came out      

B. came about  

C. came across    

D. came along

我国建立行政赔偿制度是落实（）的需要。

A、宪法

B、行政处罚法

C、行政复议法

D、行政诉讼法