Answer:
c. middle managers
Explanation:
Middle managers -
The person in the business or organisation , who is responsible to manage the subordinate level of managers and then further reports to the manager in the organization or business , is referred to as the middle manager.
The work of a middle manager is supervise the employees , and allot them the work in and then report to the senior manager , in order to maintain a proper hierarchy in the business.
hence , from the given information of the question,
The correct term is middle manager.