问题补充：
weather it is today!
A. what fine
B. what a fine
C. How fine a
D. How a fine
答案：
A. what fine
B. what a fine
C. How fine a
D. How a fine
解析：考查感叹句。句意：今天是多么好的天气呀！感叹句的三种结构：1.What+a\an+N(名次单数）＋主语＋谓语2.What+N(名词复数＼不可数）＋主语＋谓语3.How+形容词＼副词＋主语＋谓语。句子中weather是不可数名词，所以选A项。
