Final answer:
A boundaryless organization is most likely to operate in perpetual flux and reorganization, thriving on flexibility and adaptation to change.
Step-by-step explanation:
The type of organization that is most likely to operate in a state of perpetual flux and reorganization is B) a boundaryless organization. Unlike bureaucracies that thrive on hierarchy and explicit rules, boundaryless organizations are characterized by an absence of the usual barriers between parts of the organization and between the organization and others. They are adaptive to change and embrace flexibility, often restructuring themselves to respond to the needs of the moment. Such organizations often engage in a process of continuous transformation to remain competitive in an ever-changing environment.