老年心力衰竭患者症状加重的最常见诱因是（）

A.过度劳累

B.摄入液体过多

C.心肌缺血

D.室性期前收缩

E.呼吸道感染

The project manger should seek speedy resolutions o conflict between the project and functional departments primarily because ______.

A) conflict impedes the decision making necessary to stay within schedule and budget constraints
B) conflict represents a challenge to authority
C) conflict indicates that the project management concept is not well understood
D) the resolution o conflict is a problem to be resolved by the manager of project managers