around Tiananmen Square , the tourists were taken to see the Palace Museum.
A. Showing
B. Having been shown
C. Being shown
D. Having shown
网友回答
A. Showing
(答案→)B. Having been shown
C. Being shown
D. Having shown
解析：考查非谓语动词，根据语境，主语the tourists与show 之间是动宾关系，且show 的动作发生在谓语动词之前，所以应用现在分词的完成被动式，句意：游人们被领着参观了天安门广场之后，他们被带着去看故宫，所以选B。