-Who should be responsible for the accident?    

-The boss,not the workers. They just carried out the order ____. [ ]

A. as told        

B. as are told        

C. as telling              

D. as they told

企业在计算持有现金总成本时，通常不需要考虑的因素是( )。

A．现金持有时间
B．有价证券的报酬率
C．全年现金需求总量
D．一次的转换成本