问题如下：
Which of the following statements is most accurately?
选项：
A.The price of a product in monopolistic industry is determined by the demand curve.
B.The price of a product in monopolistic industry is determined by the marginal cost curve.
C.The price of a product in monopolistic industry is determined by the average total cost curve.
解释：
In the long run and short run, the output of the monopolistic industry is optimal where MR=MC, and price that consumers are willing to pay is determined from the demand curve
考点：垄断市场
解析：垄断市场上，消费者愿意支付的价格，是由需求曲线决定的，其他两个选项都不对。
垄断行业的产品价格为什么是受制于需求量？难道不应该是与竞争对手的产品和价格关系更大吗？比如电信行业。所以P应该是由边际收益和边际成本的关系决定吧？请解答
