下列物质属于纯净物的是 请选择ABCD/N0R/e-a4C0x0H.E/`1v7y;m-W
A. 米酒0H.E/`1v7y;m-W
B. 冰水0H.E/`1v7y;m-W
C. 酸奶0H.E/`1v7y;m-W
D. 碘盐0H.E/`1v7y;m-W