Answer: (C) Chain of command
Explanation:
The chain of command is basically refers to the organizational hierarchy and it helps company for establishing the authority line in an organization. It also helps in the decision making process and manage all the production activity in an organization.
According to the given situation, the chain of command is one of the element for the organizational design. As, the chain of command is one of the important element as it is one of the effective management in an organization.
Therefore, Option (C) is correct.