A Product Owner is struggling because stakeholders keep approaching Developers directly with requests during the Sprint. Which action fits the Scrum Master's service to the Product Owner and to the organisation?

• AHelp the Product Owner find techniques for effective Product Backlog management, facilitate stakeholder collaboration as requested or needed, and help the organisation understand why requests route through the Product Owner.
• BInstruct the Developers to refuse all contact with stakeholders during the Sprint.
• CTake over stakeholder communication so the Product Owner can concentrate on the backlog.
• DAdd every stakeholder request directly to the Sprint Backlog so nothing is lost.