Controlling occurs ______.

A) on a continual basis throughout the project
B) at the end of each phase of the project life cycle to assess its success in meeting project objectives
C) at the end of each planning process
D) on a continual basis throughout the executing process and as needed in the other process

下列属于唯物主义观点的是（）

A.“物是观念的集合”

B.“心外无物”

C.“阴阳二气，充满太虚，此外更无他物”

D.“存在即被感知”