题目

 —Mary and John are going to get married next week. —Really? It neverto me that Mary would marry John. A. happened                                              B. appeared C. turned                                                  D. occurred 答案：D下列有关说法正确的是（    ） A．苯酚俗名石炭酸，向苯酚溶液中滴入石蕊试液变浅红色   B．可以用酸性KMnO4鉴别苯和甲苯   C．将金属钠放入乙醇中，反应较缓和且钠浮在液面上 D．苯的同系物中,苯环和侧链相互影响，使得二者均易被氧化