All the following statements about cost baseline are correct EXCEPT:

A) It is a time phased budget.
B) To measure disbursements, a spending plan can be used as a cost-baseline.
C) It is used to measure and monitor project performance.
D) All projects have one cost baseline.

下述哪项不是新生儿窒息的常见原因．()

A．胎儿宫内窘迫

B．颅内出血

C．胎儿宫内肺炎

D．吸入羊水

E．分娩前．使用过多镇静剂