—Where have you been?

—I got caught in traffic; otherwise________sooner.[ ]

A. I would be here  

B. I have been here

C. I had been here  

D. I would have been here

在管理过程中引导组织之间、人员之间建立相互协作和主动配合的良好关系，有效利用各种资源，以实现共同预期目标的活动是：

A．协调

B．控制

C．决策

D．指挥