问一个英语语法问题,详细内容见补充.句子是这样的Rumors,embroidered wiht detail,live on for years,neither denied nor confirmed,until they become accepted as fact even among people not known for their credulity.我想问问为什么最后一句的not修饰的不是known 而是crdulity,

问一个英语语法问题,详细内容见补充.
句子是这样的Rumors,embroidered wiht detail,live on for years,neither denied nor confirmed,until they become accepted as fact even among people not known for their credulity.我想问问为什么最后一句的not修饰的不是known 而是crdulity,