An Oligopoly

An oligopoly

A) exists when a single firm controls an industry and accounts for all sales in a specific market.
B) is a large-scale business organization that is headquartered in one country but operates in many countries, which has the legal power to enter into contracts, buy and sell property, and engage in other business activity.
C) is a situation in which a small number of companies or suppliers control an entire industry or service.
D) is not held accountable by the government and regulatory agencies of the country in which it operates.