题目

下列关于淀粉、脂肪、蛋白质和核酸4种生物分子的叙述，正确的是(     ) A．都能被相应的酶水解 B．都是水溶性物质 C．都含C、H、O、N这4种元素 D．都是人体细胞中的能源物质 答案：AThe singing group was so well received that the size of audience, ___ we had expected, was well over one hundred.A．whomB．whoC．as D．what