—Do you mind if I open the window?

—       . I feel a bit cold. [ ]

A. Go ahead            

B. Of course not, it's not allowed here.

C. I'd rather you didn't    

D. Why not?

设计决策层坚持的原则不包括( )。

A．责任不可下推原则

B．统一指挥原则

C．最佳跨度原则

D．适应性原则