20世纪80年代以后，银行风险管理进入( )阶段。

A．全面风险管理阶段
B．资产负债风险管理阶段
C．负债风险管理阶段
D．资产风险管理阶段

How should you signal the crane operator to swing?（）.

A.With both arms extended out and palms to down, move arms back and forth

B.With arm ertended downwards and forefinger pointing down,move hand in small horizontal crecles

C.Extend arm and point finger in the direction to move boom

D.Place both fists in front of the body with the thumbs pointing outward