对患者进行治疗中，下列哪一项不正确

A．用药剂量宜从小剂量或一般剂量开，始

B．钙通道阻滞剂

C．β受体阻滞剂

D．尽量用长效制剂，减少血压波动

E．待血压控制满意后2周停药

All of the following assist in determining the impact of a scope change EXCEPT______.

A．project charter

B．baseline

C．performance measurement

D．milestones