【GMAT考满分逻辑CR题库】Which of the following most logically completes_真题_答案

题目内容

Which of the following most logically completes the argument below?

Crops can be purged of insects by introducing insects sterilized artificially by radiation; the sterilized male insects of a particular species are released to mingle with a natural population and mate with females who fail to have offspring, thereby inhibiting the ability of the local population of that species to reproduce. A new technique of sterilizing the medfly makes the sterilized male medflies exceptionally attractive to the females, so that a local population can be wiped out completely. But complete extermination might bring new risks. A farmer who considers his plot exceptionally attractive to medflies might think that his plot is the perfect case in which to use the new, more powerful, sterilized insect technique, but he should consider that _______________.

A
he might produce an overly abundant crop, driving down his own prices and profit
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B
perhaps the risk that the new insect sterilization does not work at all, since it has been less proven through practice, is not worth the additional benefit, at this point
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C
releasing radiated insects into the wild could have effects on the environment, and possibly the farmer's crop, that would be impossible to trace
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D
his plot, already exceptionally abundant, might already produce more crops than he can sell at ideal prices, and the additional cost of the new technique would be wasted
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E
his plot might be exceptionally attractive also to another species of insect for which no sterilized insect method exists and which might thrive on the plot once the competing medflies have been eliminated
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正确答案: E

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