【GMAT考满分逻辑CR题库】Blahdenburg’s population of flutterfish d_真题_答案

题目内容

Blahdenburg’s population of flutterfish declined in the past decade, mainly because of the harmful runoff from a local factory. These fish are the primary food source of the hamrat, a medium-sized species of rodent whose numbers had suffered along with their prey’s. Yet although the factory was shut down a few years ago, the population of hamrats has continued to decline.

Which of the following, if true, most helps to explain the continued decline in the hamrat population?

A
The decline in the population of flutterfish has forced hamrats to supplement their diet with other types of prey.
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B
Residents of Blahdenburg recently released other types of fish into the river to increase biodiversity.
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C
The factory had altered the flow of the river, and now that it has been shut down, the flutterfish spawn in a different region.
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D
Those who shut down the factory did so for financial reasons, not to revitalize the flutterfish or hamrat populations.
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E
In other towns that never had factories, flutterfish are endangered because of competition with invasive species.
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正确答案: C

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