单选题
As there is no indication the danger of his illness has passed, his family have to get ready for ______ the worst.
【正确答案】
A
【答案解析】[分析] 本题考查同位语从句。本句中indication意为“迹象,表示”,后接的从句是对这一抽象名词的具体解释,因此是同位语从句。选项中只有that才能引出这种从句,故选A。本句意为:因为尚无迹象表明他患病的危险期已经过去,所以他的家人必须做好最坏的准备。