They were lucky enough to escape ________in the prison.[ ]

A. treating badly  

B. being badly treated

C. to be treated badly  

D. to have been badly treated.

战略目标的确定方法包括()。

A.回归分析法

B.时间序列法

C.决策矩阵法

D.决策树法

E.模拟模型法