A high school recently updated its emergency management plan to align with new district requirements. Which of the following steps should the principal take next with regard to the updated plan? O A. scheduling schoolwide drills in which the staff and students practice procedures detailed in the plan O B. providing first-responder organizations in the community with a copy of the plan OC. ensuring that all staff have access to the plan and are aware of their responsibilities in implementing the plan OD. publishing the plan on the school's website and in the school newsletter