—He looked so scary that the kids were really _____.  

—He often uses that _____ look to frighten them.   [ ]

A. frightened; frightened                    

B. frightened; frightening  

C. frightening; frightened                    

D. frightening; frightening

当结构单元内仅有整截面剪力墙时，应按竖向悬臂墙计算风荷载或水平地震作用下各楼层的总剪力和总弯矩。