An organisation reports that it has adopted Scrum, and releases still go out twice a year after a lengthy stabilisation period. What does this most directly indicate?

• AThe teams have adopted the events, and the organisation has not changed what stands between a done Increment and a customer.
• BThe Sprints are too short for the complexity of the product.
• CThe Definition of Done is too strict and is slowing the teams down.
• DThe Product Owner is not refining the Product Backlog far enough ahead.