单选题 The linkages between project management process groups are best described by:
A) The work breakdown structure links process groups.
B) Process groups are linked by their planned objectives-the summary objective of one often becomes the detailed action plan for another.
C) Process groups are linked by the objectives they produce-the output of one process often becomes an input to another process, or is a deliverable of the project.
D) There are no significant links between discrete process groups.

【正确答案】 C
【答案解析】[解析] 下列哪项最好地描述了项目管理过程组之间的关联?
A) 过程组通过WBS联系起来。
B) 过程组通过他们预定的目标联系起来, 一个过程的总的目标经常成为另一个过程的详细行动计划。
C) 过程组通过各自的目标联系起来, 一个过程的输出经常成为另一个过程的输入或者项目的可交付成果。
D) 过程组是各自独立的, 没有明显的联系。
过程组通过他们各自的输入输出联系在一起, 某个过程的产出通常成为其他过程的输入。