Dan Missed Class the Day His Lecturer Covered the Circular

Dan missed class the day his lecturer covered the circular flow model.Dan asked his friend Joan to explain markets to him.Joan correctly stated that a market

A) requires a physical location for buyers and sellers to get together.
B) must have many buyers and only one seller,who is willing to sell to all the buyers.
C) is any arrangement that brings buyers and sellers together.
D) must include a written contract between buyers and sellers.
E) is only a place to purchase groceries.