Answer:
B. C. and D.
Explanation:
Based on the scenario being described within the question it can be said that two other characteristics of this market structure would be a Market control by a few large firms, Difficult entry, and Mutual interdependence. That is because this type of Market Structure is one in which a few large firms agree agree not to compete against each other and instead dominate the entire market, therefore making it incredibly difficult for new firms to enter the market.
