产业布局是产业存在和发展的空间形式。产业布局政策的目标是实现产业布局的合理化。产业布局政策一般遵循经济性原则、合理性原则、协调性原则及平衡性原则。( )

All staff members are reminded that you should not use the executive restroom ______ you have written authorization to do so.

A. for
B. unless
C. without
D. although