The correct answer to this question is B When everything is done based on the Definition of Done. A sprint backlog is tasks that the Scrum team identifies. This list of tasks needs to be completed during the Scrum sprint. The scrum team owns the Sprint Backlog, and it allows the team to self-manage themselves during the Sprint.
The team can range from three to nine members, and their work is equally split. Scrum is a framework to manage knowledge work. Scrums are mainly associated with software developments, but over time, it has expanded to other fields and standard project teams.