问题补充：
—it was yesterday because of the storm!
—So it was!
A. What bad weather
B. What a bad weather
C. How bad a weather
D. How bad weather
答案：
(答案→)A. What bad weather
B. What a bad weather
C. How bad a weather
D. How bad weather
解析：考查感叹句。What修饰名词，How修饰形容词或副词，weather是不可数名词，不加冠词，所以可以说What bad weather或How bad the weather.所以选A。
