Along(A) the curve of islands known as the Florida Keys lies(B) a reef of living coral, the only one(B) of a kind(D) in the continental United States. No Error (E) 为什么D (a kind 是错的呢?
您好!感谢您对培训的关注!您的问题回答如下:美国教育联盟金牌留学专家刘敏利老师介绍,(C)就是one,"of" 后面需指代“清楚”,“a kind”是什么呢?