题目内容：

__________it is to listen to music when you are free!
A:How fan B:What funny C:What fun D:What a funny

优质解答

C
fun是名词 不可数,不能加 a
what + 名词 how+形容词
有趣一般用名词 fun
而funny 则解释为滑稽的,可笑的,这里显然不对