—Look! The boys are playing football excitedly!
— good time they have!
A. How
B. What
C. What a
D. How a
网友回答
A. How
B. What
(答案→)C. What a
D. How a
解析：考查感叹句：此处time是时光之意，可数名词。用what +a+adj+可数名词单数+主语+谓语！这样的感叹句，how修饰的是adj/adv.句意：--男孩在兴奋的踢足球！--他们玩得多么愉快啊。选C。