— Excuse me, I'm new here. May I ask you a favor?

—Sure,      . [ ]

A. it's a deal

B. just let it be

C. take care

D. go ahead

计划工作必须始终坚持以目标为导向（）

A.系统性原则

B.重点原则

C.创新原则

D.弹性原则

E.可考核性原则