As the Sprint Planning meeting progresses, the Development Team sees that the workload is greater...

The correct answers are B and D, because the Scrum Guide states that “the number of items selected from the Product Backlog for the Sprint is solely up to the Development Team. Only the Development Team can assess what it can accomplish over the upcoming Sprint.” Therefore, the Development Team can remove or change selected Product Backlog items in agreement with the Product Owner if they see that the workload is greater than they can handle. The Development Team should also ensure that the Product Owner is aware of the situation, start the Sprint, and monitor progress.