题目内容
（请给出正确答案）
[主观题]
● A work breakdown structure （WBS) is a tool used to define and group a project's discrete
● A work breakdown structure (WBS) is a tool used to define and group a project's discrete work elements in a way that helps organize and define the total work scope of the project. A WBS is most useful for（72） .
（72）
A．identifying individual tasks for a project
B．scheduling the start of tasks
C．scheduling the end of tasks
D．determining potential delays
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