第2题: [单项选择]Some people prefer to remain anonymous when they call the police to report a crime. A. undisturbed B. unnoticed C. unrecorded D. unnamed 参考答案:D 答案解析:undisturbed未受打扰的;unnoticed未被留意的;unrecorded未被记录的;unnamed未命名的,未说出名字的,如,buy information from an unnamed