Agile empowers teams to beself-organizing and self-managing. According to thePMI Agile Practice Guide (Section 5.6)andMike Griffiths' PMI-ACP Exam Prep Book (Chapter 7: Problem Detection and Resolution), the agile coach or Scrum Master facilitates the process but shouldencourage the team to resolve internal issues themselves. This develops ownership, team maturity, and accountability.
The team coach's role is tosupport, not solve. Escalating issues unnecessarily or bypassing the team undermines agile principles. Therefore,Option Cis correct: the coach should encourage the team to address and resolve the issue internally, stepping in only if the team cannot resolve it themselves.

In Scrum, responsibilities are distributed among the product owner, scrum master, and development team to ensure clear accountability and efficient value delivery.
The product owner manages the product backlog, ensures alignment with business goals, and defines the priorities for the team.CCBA The scrum master facilitates the Scrum process, removes impediments, and ensures adherence to Agile principles.CCBA The development team owns the sprint backlog and is responsible for incremental delivery toward the sprint goal.CCBA This division of responsibilities ensures that each role focuses on their core areas, fostering transparency, collaboration, and value-driven development.