They had all children well looked after ____ their parents relieved(放心)

A．making

B．being made

C．to make

D．made

决策的定量分析方法中，针对不确定型决策的有( )。

A．期望收益法

B．乐观决策法

C．最小后悔值法

D．盈亏平衡分析法

E．悲观决策法