The argument for "monetizing"—or putting a monetary value on—ecosystem functions may be stated thus: Concern about the depletion of natural resources is widespread, but this concern, in the absence of an economic argument for conservation, has not translated into significant conservational progress. Some critics blame this impasse on environmentalists, whom they believe fail to address the economic issues of environmental degradation. Conservation can appear unprofitable when compared with the economic returns derived from converting natural assets (pristine coastlines, for example) into explicitly commercial ones (such as resort hotels). But according to David Pearce, that illusion stems from the fact that "services" provided by ecological systems are not traded on the commodities market, and thus have no readily quantifiable value. To remedy this, says Pearce, one has to show that all ecosystems have economic value-indeed, that all ecological services are economic services.Tourists visiting wildlife preserves, for example, create jobs and generate income for national economies; undisturbed forests and wetlands regulate water runoff and act as water—purifying systems, saving millions of dollars worth of damage to property and to marine ecosystems. In Gretchen Daily’s view,monetization, while unpopular with many environmentalists, reflects the dominant role that economic considerations play in human behavior, and the expression of economic value in a common currency helps inform environmental decision-making processes.
Information in the passage suggests that David Pearce would most readily endorse which of the following statements concerning monetization?
<p>(A) Monetization represents a strategy that is attractive to both environmentalists and their critics.</p><p>(B) Monetization is an untested strategy,but it is increasingly being embraced by environmentalists.</p><p>(C) Monetization should at present be restricted to ecological services and should only gradually be extended to such commercial endeavors as tourism and recreation.</p><p>(D) Monetization can serve as a means of representing persuasively the value of environmental conservation.</p><p>(E) Monetization should inform environmental decision-making processes only if it is accepted by environmentalist groups.</p><p><br/></p>
选项A（错） 文中只提到了“monetization is unpopular with
environmentalists”，因此我们不能推测出“monetization is attractive to
选项B（错）文章并没有说environmentalists 越来越接受 monetization 这个概念了
选项C（错）文章中提到“all ecological services are economic
services”所以DP认为ecological services should be monetizated， 而不是 restricted
选项D（对），DP已经说到 “economic considerations play in human behavior”并且还提到“all ecosystems have economic value-indeed” 也就是说这些服务的价值可以被量化，那么一旦量化 人们就会被刺激，进而去保护环境 选项E（错）错的很明显， 用 if 这个条件在文章并未提起，所以直接排掉。
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