B) <u>producers sell goods and services to consumers</u>.
Explanation:
When we talk about <u>the market, by definition we are talking about the sale of a product or service for which an amount of money is obtained</u>, however, you can make sure that it is not option A since the productive resources are the Earth, the labor and capital, which are not usually mentioned within the <u>product market, lastly, although it is called the product market, services can also be sold, including all the skills that only require "labor" in mostly</u>.
Though a bit lengthy (which is absolutely fine!) you seem to go into some good detail while withholding main points for the rest of your paper and it is very well done!