we went to the train station and saw our friend（） A.on B.out C.o_英语解答

we went to the train station and saw our friend（） A.on B.out C.off D.over

人气：486 ℃　时间：2020-03-27 21:57:45

解答

答案是c .
see sb. off
是为某人送行的意思