问题
单项选择题
Without the music, the children would have not had so much fun.
A．wouldn't be having
B．wouldn't have been
C．wouldn't be
D．wouldn't have had
答案
参考答案：D
解析：结构应用。当有两个以上的助动词时，not跟在第一个助动词之后。介词短语without the music可代替虚拟条件从句；本句表达的是与过去事实相反的假设，后面的主句谓语应用would+have+过去分词；因此选项D是答案。