Being young means having all kinds of possibilities, so you should challenge your limits and go _____ your boundaries.

A．beyond

B．for

C．over

D．above

无论对哪件工作来说，一个下属人员只应接受一个领导人的命令，这是法约尔管理思想的( )

A．劳动分工思想
B．统一指挥思想
C．纪律思想
D．权力与责任思想