The correct answer is C) Businesses/firms & government.
In a resource (factor) market, businesses/firms & government demands the factors of production.
Companies and organizations but what they need to produce in the input market, resource or the factor market. In this market, the government and business are the buyers. The price of goods and services to be purchased is set by the supply and demand. But firms, companies, and the government are going to look for the best prices due to the demand for goods they are about to purchase.