社会生产力和科技发展水平对教育产生的制约和影响，具体表现在（）、（）、（）、（）等各个方面。

Executing processes are concerned with （）.

A．recognizing that a project or phase should begin

B．coordinating people and other resources to carry out the plan

C．devising and maintaining a workable method to accomplish the business need that the project was undertaken to address

D．ensuring that the project objectives are met by monitoring and measuring progress and taking corrective action when necessary