Don 't ask him to study too late into the night . _____ ,  he is only a small child.    [ ]

A. As a result .  

B. After all.  

C. Best of all.  

D. For example..

对战争全局做出准确的判断而确定的方略是（）。

A.企业战术

B.管理战略

C.战略

D.战术