it is to have a picnic ! A. What a funB. How funC. What funD. How a fun

问题补充：

it is to have a picnic !

A. What a fun

B. How fun

C. What fun

D. How a fun

答案：

A. What a fun

B. How fun

(答案→)C. What fun

D. How a fun

解析：这题考查感叹句：感叹句可以是what或how修饰，what修饰名词，how修饰形容词或副词，fun是不可数名词，选C。句意是：野餐是多么好玩的事啊。