-( )sweet music!Do you know who wrote it? -Beethoven,I think. A.What B.What a C.What an D.How

题目

-( )sweet music!Do you know who wrote it? -Beethoven,I think. A.What B.What a C.What an D.How
这道题选A,但为什么不能选D?

答案

因为music是不可数名词,所以前面不能加a,
如果是how,应该是这样的：How sweet the music is!
what修饰名词,这里就是修饰music