Answer: A. Middle management
Explanation:
Middle management is known to be a level of management in an organization which play significant role on the overall success of the organization. Middle managers are those in the position of middle management and are accountable for the employee’s performance, effectiveness and productivity. They are responsible for the happenings in their department and give advice and information in order to resolve problems to the employees below them. Thus, middle managers act on the instructions of the top managers.