You've watched TV for two hours. Why not ______? [ ]

A. stop playing games with us

B. to stop dancing

C. stop to play soccer

D. to stop to lie in bed

从总体上讲，信息系统开发策略的制定可不考虑______。

A．自顶向下规划和局部设计相结合

B．规范化原则

C．确定研制队伍的组织形式和人员

D．系统设备、工具和环境的选择