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Many Namibian farmers raise cattle on farmland that is part of a cheetah's territory. Cheetahs are solitary hunters that hunt in and defend exclusive territories. For decades the farmers have been trapping and killing cheetahs on their land but have found that the frequency with which cheetahs are trapped has not decreased during this period. The Namibian cheetah population, therefore, must not have suffered any significant reduction as a result of the farmers' practice.
Which of the following is an assumption on which the argument depends?
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A.The average size of a Namibian cattle herd has not significantly increased in the past several decades.
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B.The killing of adult cheetahs by farmers does not often result in the death of cheetah cubs from starvation or predators
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C.Cheetahs do not hunt healthy adult cattle
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D.Cheetahs are seldom killed except on farmland.
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E.Namibian cheetah territories located away from farmland have not been increasingly likely to be abandoned in favor of territories that include at least some farmland.
E显示答案
