Which of the following types of organizations have a fluid structure?

A. Porous organizations

B. Mutual-benefit organizations

C. Non-profit organizations

D. For-profit organizations

porous organizations (A)

Explanation:

porous structure kind of organization is a type of organizations that belief/practices collaboration of business activities or ideas with other forms of organization or within its self to ensure and maintain a free flow of business activities within them.

A porous organization is an example of such fluid structure because everybody is important and benefits mutually from the business. in fluid structure kind of business the customer is mostly the center of attraction. although most business still feature a pyramidal system of organizations as seen with For-profit and other organizations. some Non-profit organizations operates in a less fluid structure because there is no customer involved, hence much collaborations is not needed as would be in porous organizations

B. Mutual-benefit organizations