Answer:
B) The market for aluminum.
Step-by-step explanation:
An oligopoly is a market form in which the market or industry is dominated by a small group of large sellers. Oligopolies can result from various forms of collusion that reduce market competition which then majorly leads to higher prices for consumers. They have their own market structure.
Oligopolistic market with standardised product is an homogeneous oligopoly that is an oligopoly in which firm produce a standardised product. And a good example of that is the Aluminum market.