异氟烷的作用特点有（）

A.麻醉诱导平稳、舒适、苏醒快

B.肌松良好

C.不增加心肌对儿茶酚胺的敏感性

D.反复使用无明显不良反应

E.是目前常用的吸入麻醉药

You are assigned as the project manager in the middle of the project．The project is within the baselines，but the customer is not happy with the performance of the project．What is the FIRST thing you should do ？（）

A．Discuss it with the project tea

B．Recalculate baseline

C．Renegotiate the contrac

D．Meet with the custome