________around Tiananmen Square , the tourists were taken to see the Palace Museum.A.ShowingB.Having been shownC.Being shownD.Having shown
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B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。