__great time we're having toda...

what fun we had last sunday

\u9009\u62e9A.
\u5728\u8fd9\u79cd\u7ed3\u6784\u7684\u53e5\u5b50\u91cc,\u6709\u4e2a\u5178\u578b\u7684\u7279\u70b9\u5c31\u662f\uff1a
what \u7528\u4e8e\u540d\u8bcd\u524d\u505a\u60ca\u53f9\u6210\u5206.
how \u7528\u4e8e\u5f62\u5bb9\u8bcd\u524d\u505a\u60ca\u53f9\u6210\u5206.
\u4f8b\u5982\uff1a
what a beautiful flower it is.
how beautiful the flower is..
understand?

\uff08What a) great time we're having today!(What) great fun it is! (\u8fd9\u91ccfun\u4f5c\u540d\u8bcd\uff09
\u9009B
\u671b\u91c7\u7eb3\uff0c\u8c22\u8c22\uff01\uff01

选择C
What a fun we had!
我们玩得多开心啊！
这是感叹句
可以同义转换为：
How fun it was !

B, What fun
此处的fun为不可数名词

你好，很高兴在这里回答你的问题：
.
.
.

B What fun
对名词fun感叹　

B，how后面接形容词副词，what接名词，fun不可数