She had a guilty________ about not telling the police what had actually happened.A.consciousnessB.conscienceC.consequenceD.confusion
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B解析考点形似名词辨析与搭配。a guilty(或bad)conscience内疚；其他相关词组：have sth. on one’s conscience为某事而内疚；in(all)conscience凭良心；的确，当然；consciousness“知觉，意识”；consequence“后果”；confusion“混淆，混乱”。句意为：她为没有把实情告诉警察而感到内疚。