Question 3 • EA Academy Civics 9
A monopoly exists when a single company controls the supply of a product and consumers have no competing seller to turn to. In D, Company X is the only maker of an effective medicine and charges an extremely high price, so patients may have to pay more because there is no competition. The other scenarios involve limited preferences, availability, or a discontinued brand, but do not show one seller controlling the market and exploiting that position.
AI-written and checked against the verified answer.