题目

冠心平F是降血脂、降胆固醇的药物，它的一条合成路线如下： A为一元羧酸，10.2g A与足量NaHCO3溶液反应生成2.24L CO2（标准状况），A的分子式为 A．C2H4O2          B．C3H6O2            C．C4H8O2            D．C5H10O2 答案：D The art show was _______ being a failure; it was a great success. A. far from    B. along with        C. next to      D. regardless of