The cost management plan has all of the following characteristics EXCEPT: （）.

A．It is based on the project cost estimates, and is separate from the project pla

B．Can establish variance thresholds for costs or other indicator

C．May be formal or informal, highly detailed or broadly frame

D．Documents the cost management processes and their associated tools and technique

1、2、3分别应是：

A．顾客满意度、感知价值、顾客忠诚

B．感知价值、顾客忠诚、顾客满意度

C．感知价值、顾客满意度、顾客忠诚

D．顾客忠诚、感知价值、顾客满意度