Which of the following statements are true of pure competition?

Choose one or more:

A.The market demand curve and the demand curve facing a firm may be one and the same, at least at certain prices.

B.There must be a very large number of sellers.

C.The demand curve facing a competitive firm consists of a horizontal line at any price equal to or below the market price.

D.The demand curve facing a competitive firm consists of a horizontal line at any price equal to or above the market price.

E.Firms act as price takers.