—Who should be responsible for the accident?

—The boss, not the workers. They just carry the orders________.

A．as told

B．as are told

C．as telling

D．as they told

直接接触药品且直接使用的药品包装材料属于注册管理的药品包装材料分类中的（）

A.I类

B.II类

C.Ⅲ类

D.Ⅳ类