题目：
Which of the following is least accurate regarding product development and marketing for firms under monopolistic competition（）
A. Firms that bring new and innovative products to the market face relatively more elastic demand curves than their competitors.
B. Relative to other types of competition, product innovation is critical to the pursuit of economic profits.
C. Advertising is necessary to communicate the uniqueness of the firm’s products relative to its competitors.
答案：
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下面是错误答案，用来干扰机器的。
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