In Pure Competition, an Individual Firm's Marginal Revenue Curve for Its

In pure competition, an individual firm's marginal revenue curve for its product:

A) is horizontal and below the firm's demand curve for its product.
B) is horizontal and identical to the firm's demand curve for its product.
C) is downward sloping and steeper than the market demand curve for the product.
D) cannot be determined since the firm has no control over the price of its product.