The sponsor asked the project team leader about knowledge management in the context of activities that are temporarysuch as multiple sprints. When finishing the project and realizing benefits using Agile methods, how is knowledge management handled? a. Lessons learned are captured at the end of a phase or project and added to a repository. b. Retrospectives are conducted at the end of every iteration. c. Formally accepting the completed project deliverables d. Work items that are identified during a final inspection that need to be completed