Upon joining a team, a Scrum Master should focus onfacilitating team collaboration, removing impediments, and creating a psychologically safe space. ThePMI Agile Practice Guide (Section 3.3: Scrum Master Role)andMike Griffiths (Chapter 3: Team Performance)stress that early efforts should center on servant leadership, helping the team identify and solve their own challenges. * Option Cis correct: supporting the team through facilitation reflects the core role of a Scrum Master. * Option Ais prescriptive and not aligned with cross-functional team philosophy. * Option Bmay be necessary later, but first, trust and team dynamics must be established. * Option Dfalls under the Product Owner's responsibility, not the Scrum Master's.