【题目】The film star wears sunglasses. Therefore, he can go shopping without ______.
A.recognizing
B.being recognized
C.having recognized
D.having been recognized

【答案】B
【解析】句意：那位电影明星戴上墨镜。所以，他去买东西不会被认出来。根据题中的介词without判断，此后应该使用动词的动名词形式，由于他是被人认出的，所以应该用动名词的被动式，所以选B。