第12题: [单项选择]A project life cycle is a collection of generally sequential project ______ whose name and number are determined by the control needs of the organization or organizations involved in the project. A. phases B. framework C. processes D. segments 参考答案:A 答案解析:[参考译文] 一个项目的生命周期由若干个顺序相连的阶段(phases)组成,阶段的名字和个数由组织的控制需要决定。