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When the maker of Megapower, a vitamin supplement, modified its formula two years ago, Tasmania, an island off the coast of New Zealand, suffered a decrease in its export earnings. Tasmania`s only export, kiwi fruit, constitutes a substantial portion of the world supply of that fruit. Researchers concluded that the old Megapower formula contained natural kiwi extract, but the new formula does not.
Which of the following, if true, gives the strongest support for the researchers`claim?
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ASome South American countries have begun to grow kiwi fruit successfully.
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BUnited States chemists have started development of a synthetic kiwi extract.
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CThe manufacturers of Megapower chose not to renew their contract with the Tasmanian kiwi growers.
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DImports of kiwi fruit have fallen in the country where Megapower is manufactured.
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EThere was a marked drop in sales of a number of formerly profitable items that used kiwi as an ingredient.
D显示答案
