_____ at the result of the experiment, the professor did it again.    [ ]

A. Surprising          

B. Surprised    

C. Being surprised    

D. To be surprised

哪些装饰结构的平面形式和位置不需要在楼地面平面布置图标出（）

A.门窗和门窗套

B.装饰柱

C.隔断

D.地砖