--- fine day! Shall we go out for a walk?
---That sounds great!
A. What
B. How
C. What a
D. How a
网友回答
A. What
B. How
(答案→)C. What a
D. How a
解析：考查感叹句。感叹句用what和how引导，what修饰名词，how修饰形容词，how后紧接形容词或副词，不与冠词连用；当名词是可数名词时，用what a引导感叹句，本句的fine修饰可数名词day，中心词还是名词day，排除B、D；day可数，故选C。