题目

I _______ to tell you about the sudden change, but there wasn't time. A . phoned B . had phoned C . would phone D . would have phoned 答案：D已知点P（x，y）满足，则经过点P的反比例函数y=的图象经过A.第一、二象限B.第三、四象限C.第一、三象限D.第二、四象限