单选题 Which of the following is true about the WBS:

A) The WBS is another term for the Gantt chart.
B) Each descending level of the WBS represents an increasingly detailed definition of the project work.
C) Work not in the WBS is usually defined in the scope statement of the project.
D) The WBS shows only the critical path activities.

【正确答案】 B

【答案解析】[解析] 下列哪项关于WBS的说法是正确的?
A) WBS是甘特图的另外一种术语。
B) WBS中越是向下的层次所描述的项目工作越是详细。
C) 没有在WBS中的工作通常定义在项目范围说明中。
D) WBS只显示关键路径的活动。
WBS的特点是：分层显示项目的可交付成果和工作，越是底层显示的项目工作越详细。