What is the accountability of the Product Owner during Sprint 0? (Choose the best answer.)

What is the accountability of the Product Owner during Sprint 0? (Choose the best answer.)
A . There is no such thing as Sprint 0.
B . Gathering, eliciting, and analyzing the requirements that will be inserted into the Product Backlog.
C . Make the complete project plan to commit date, budget, and scope to the stakeholders.
D . Determine the composition of the Development Teams so they have the capacity to deliver the completed forecast.
E . Make sure enough Product Backlog items are refined to fill the first 3 Sprints.

Answer: A