A Scrum Team Works on a Project in 2-Week Sprints

Multiple Choice

A Scrum Team works on a project in 2-week Sprints. During the Sprint Planning meeting of the third Sprint, the Product Owner says: "I will be going on holiday in 2 weeks. Let's change the duration of this Sprint to 4 weeks, so that I will be back when it ends." Should the duration of the sprint be increased?

A) Yes, because the Product Owner must be available at the end of a Sprint.
B) Yes, because Sprint duration can be anything between 2 and 4 weeks.
C) No, because the Sprint duration is not based on single events.
D) No, because only Development Team members may change Sprint duration.