第17题: [单项选择]It has been ______ that senior officials were involved in a $ 20 million drugs deal. A. addicted B. alleged C. assaulted D. ascribed 参考答案:B 答案解析:[解析] 语义连贯题。题干中that引导的是一个主语从句,描述的是—些高官参与毒品交易。[A]addicted“沉溺,上瘾”。[B]alleged“宣称,断言”,it is alleged意为“据说”