I wonder if you have told your mother all the truth. She appears ________ everything.A.to be toldB.to tellC.to be tellingD.to have been told
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D解析后边一句中She是其后不定式动作的承受者应用被动语态，不定式的完成式表示动作先于谓语动词发生，这从前面句子中if you have told your mother all the truth可以看出。句意：我不知道你是否告诉了你母亲所有的真相，她看上去已经被告知了一切。