it is to collect stamps!A. What a great funB. What great funC. How great a funD. How a gr

问题补充：

it is to collect stamps!

A. What a great fun

B. What great fun

C. How great a fun

D. How a great fun

答案：

A. What a great fun

(答案→)B. What great fun

C. How great a fun

D. How a great fun

解析：fun是不可数名词,所以要选选项B.