Don't you recognize him? Just look up. On the opposite wall .
A. does his photo hang
B. hangs his photo
C. is hanging his photo
D. is his photo hanging
网友回答
A. does his photo hang
(答案→)B. hangs his photo
C. is hanging his photo
D. is his photo hanging
解析：B 考察倒装句。句义：你不认识他吗“墙上挂着他的照片。On the opposite wall是表示地点的介词短语，当介词短语谓语句首，且主语是名词的时候，要使用全部倒装的形式。故B正确。