问题：
[单选题] The project life-cycle can be described as（）.
A、project concept, project planning, project execution, and project close-out
B、project planning, work authorization, and project reporting
C、project planning, project control, project definition, WBS development, and project termination
D、project concept, project execution, and project reporting
参考答案：
A、project concept, project planning, project execution, and project close-out
● 参考解析
