题目

下列各组物质不属于同分异构体的是    （    ）[ A．2，2-二甲基-1-丙醇和2-甲基-2-丁醇           B．苯甲醇和对甲基苯酚 C．2-甲基丁烷和戊烷                           D．乙二醇和丙三醇 答案：DLook! There is a chair ________ three legs in the meeting room.A. has B. with C. of D. have