A. The quantity supplied at any particular price depends onthe monopolist's demand curve. B. The monopolist's marginal cost curve changes considerablyover time. Quiz 02 ECO401 Spring 2009 VU C. The relationship between price and quantity depends on bothmarginal cost and average cost. D. Although there is only a single seller at the currentprice, it is impossible to know how many sellers would be in the market at higher prices.