He came into the classroom ( ) A very upset B being upset c to up_英语解答

He came into the classroom ( ) A very upset B being upset c to upset D to be upset

人气：276 ℃　时间：2019-08-19 05:56:18

解答

B being upset
这个蛮难解释的……
因为我不确定是不是对.
c和d肯定不对,那就在a和b里面选.
a不能作为单句用.口语里面因该是可以的,但是这里不行.