great fun it is to have a cold drink on a hot day! A. HowB. How aC. WhatD. What a

问题补充：

great fun it is to have a cold drink on a hot day!

A. How

B. How a

C. What

D. What a

答案：

A. How

B. How a

(答案→)C. What

D. What a

解析：本题是感叹句，修饰不可数名词fun，应该用what，不可以加冠词，故本题选C。