The cost baseline has all of the following
题型：单项选择题
问题：
The cost baseline has all of the following characteristics EXCEPT:
A) It is a time-phased budget that will be used to measure and monitor cost performance on the project.
B) It shows the actual cost expenditures throughout the life of the project.
C) It is developed by summing estimated costs by period.
D) It is usually displayed in the form of an S-curve.
