Answer:
A) Project teams may adopt a top-down approach to construct the WBS.
B) Project teams may rely upon a WBS from a previous project as a starting point.
C) Project teams may jump start the effort with a brainstorming session.
Explanation:
A project Work Breakdown Structure (WBS) is a tool that a team may use to progressively divide deliverables into smaller pieces (e.g. reports, documents, software products, etc.). Deliverables located at the lowest level of each branch of a WBS are known as work packages.
When the project team creates the second level of the WBS they can organize by: