---Is Bob still performing?---I am afraid not．He is said ______ the stage already as he has bee an official．A.to have leftB.to leaveC.to have been leftD.to be left
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A解析由already和has bee an official可知“离开舞台”这一动作已经发生，故用不定式的完成时态。He is said to have left the stage already…＝It is said that he has left the stage already…