题目选项分析

Because state sanctions against hunting have been eased, Deersdale Preserve has experienced an influx of hunters in the last several months. During this time, the silvertail fox, a popular target for hunters, has seen a marked decrease in population. Therefore, to prevent the population of silvertail fox—an important apex predator responsible for keeping the Deersdale County's rabbit population in check—from falling even lower, the state should once again place strict sanctions against hunting.

Which of the following, if true, most strongly suggests that stricter sanctions against hunting would not have the desired effect?

【选项】Many rabbits in the Deersdale Preserve recently have become carriers of a virus that destroys the livers of carnivorous animals.