The door burst open and _______, shouting with anger.

A．in rushed the crowd

B．rushed in the crowd

C．the crowd in rushed

D．in the crowed rushed

桥梁上部结构预制梁正式安装起吊前应进行（）检查，才能进行正式的吊装作业。

A.机械

B.常规

C.试吊

D.吊点