For a Single-Price Monopolist,marginal Revenue Falls Faster Than Price (As

For a single-price monopolist,marginal revenue falls faster than price (as output rises) because

A) in order to sell additional units,the price must be lowered on all units.
B) profits are maximized when marginal cost equals marginal revenue.
C) the firm has no supply curve.
D) the cost of producing extra units of output increases as production is increased.
E) none of the above - marginal revenue does not fall faster than price.