正解:A
Even if a team is high-performing and stable, theScrum Master's role remains valuablein facilitating continuous improvement, removing impediments, and protecting agile principles. However, in mature teams, a Scrum Master cansupport other teams or initiativeswhile still offering guidance to the original team.
ThePMI Agile Practice Guide (Section 3.3: Agile Roles)andMike Griffiths' PMI-ACP Exam Prep Book (Chapter 3: Team Performance)both emphasize thatScrum Masters evolveinto more strategic, cross-team roles as teams mature.
* Option Ais correct: it reflects astrategic redeployment of a seasoned Scrum Masterwhile maintaining light support to the current team.
* Option Brisks losing agile momentum and undermines continuous improvement.
* Option CandDconfuse roles-Scrum Master and Product Owner must remain distinct.