To increase the immunization rates among children in the community, a nurse manager is considering holding immunization clinics on Saturdays, one month before school begins. Which of the following describes what is happening?

A. Implementing: Implementation occurs when the idea is already being put into action - here, it's still being considered. B. Formulating: Usually refers to the development of policies or broad goals, not specific interventions. C. Planning: The nurse is identifying strategies and organizing logistics - a core function of the planning phase. D. Evaluating: Evaluation comes after implementation to assess effectiveness.