It was _______ that they planned to have a picnic.

A．such fine weather

B．so fine a weather

C．such a fine weather as

D．such a fine weather

( )周边生态环境极佳，空气含菌量为零。

A．庐山秀峰瀑布

B．明月山云谷飞瀑

C．三爪仑洪屏狮子口瀑布

D．井冈山仙女瀑