The correct answer is C) an arrangement that allows buyers and sellers to exchange things.
In the study of economics, the definition of a market is the following: "an arrangement that allows buyers and sellers to exchange things."
When talking about economic terms, a market is a series of procedures where individuals engage in the trade of services and goods. Individuals or companies trade their goods -even labor- in exchange for compensation that usually is money. The market includes concepts of production, transportation, price, places, promotions, and purchasing.