------What __fine weather!------Yes.Isn't it!A.a B.the C.\ D.an选哪个,为什么.

------What __fine weather!------Yes.Isn't it!A.a B.the C.\ D.an选哪个,为什么.
------What __fine weather!------Yes.Isn't it!A.a B.the C.\ D.an
选哪个,为什么.

------What __fine weather!------Yes.Isn't it!A.a B.the C.\ D.an选哪个,为什么.
选 C
weather不可数
所以不加不定冠词 a/an.
the是定冠词,在这种感叹句里永远不用.

C感叹句中可数名词可加不定冠词，what a good question!不可数名词前什么都不加。what hot water！

选A

不甜