Working in an Agile approach, what should your planning look like at the beginning of the Realize phase?

Working in an Agile approach, what should your planning look like at the beginning of the Realize phase?
A . Timelines of the sprint many differ dues to the workload
B. User Stories are in Ready state for only the first 2 to 3 sprints
C. Go-live scope is fixed on the first of January the following year
D. Project scope and planning are compelted and final

Answer: B