In the passage, the author anticipates the objections to criticizing the ethics of free markets are ethical because they enable individuals to make choices.
According to the author, people object to criticizing ethics in free markets because they believe free markets are inherently ethical, making research into the role of ethics in free markets unnecessary.
Free markets, according to critics, are ethical because they allow individuals to make their own decisions about which goods to buy and which goods to sell.
Option A and B are false because they are not objections to the ethics of free markets.
Option C is incorrect because the author does not present the viewpoint that devalued currency is necessary for free markets.
Therefore, the correct answer is option D) Free markets are ethical because they enable individuals to make choices.
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