A manager reviews the Product Backlog each Monday and reorders the top ten items. The product owner accepts this because the manager is more senior. What has happened?

• ANothing problematic, since the manager is a stakeholder with a legitimate view.
• BThe Scrum Master has failed, since only they can prevent this.
• CThe accountability has moved in practice, whatever the job titles say, because the ordering decision is now made by someone else.
• DThe Developers should refuse to work on the reordered items.