The correct answer is: A. planning function.
Planning is the process of setting goals and objectives, and developing strategies to achieve them. It involves identifying alternative courses of action, evaluating them, and selecting the best one.
Organization is the process of creating a structure for the organization, and assigning tasks and responsibilities to employees.
Direction is the process of providing guidance and motivation to employees, and ensuring that they are working towards the organization's goals.
Control is the process of monitoring performance, and taking corrective action when necessary.
Examination of alternative courses of action is an activity that falls under the planning function because it is part of the process of setting goals and objectives, and developing strategies to achieve them.