The project life-cycle can be described as（）.

项目生命周期通常包括项目概念、项目规划、项目实施以及项目收尾四个阶段。因此，正确答案是A选项。"}<题目>{单选题}<题目内容>{The project life-cycle can be described as（）.

A project concept, project planning, project execution, and project close-out

B project initiation, project planning, work execution, and project termination

C project concept, project development, project execution, project termination, and WBS development

D project definition, project approval, project implementation, and project closure"}