Answer:
The correct answer is letter "C": simple structure.
Explanation:
Canadian professor Henry Mintzberg (born in 1939) proposes there are five types of business organization structures: Simple structure, Machine bureaucracy, Professional bureaucracy, Divisionalized, and Adhocracy. Startups usually managed by their founders are characteristic of the simple structure since this type of organization has a loose organizational structure, are usually flexible and sometimes even informal. Though, it does not leave aside the contribution of its member to achieve the goals of the organization.