What should the project manager do to ensure that the project is ready to move to an operational state?

A project manager just completed a successful deployment and is preparing to transition the project to an operational state before starting closeout actions.

What should the project manager do to ensure that the project is ready to move to an operational state?
A . Meet with the project team to review the work breakdown structure (WBS) and confirm deliverables have been delivered.
B. Develop a plan to repay the technical debt incurred during the project and ensure that the project sponsor agrees with the plan.
C. Review the project approval requirements in the project charter and confirm who will be approving the project.
D. Refer to the project’s work in progress (WIP) reports to ensure that there is no additional work in the backlog.

Answer: C