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Verbal·Information and Ideas·Inferences
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Scientists recently created a model to predict how increasing pest activity will affect future mammal population sizes in US national forests. Unfortunately, when the model is applied to large forests, its predictions for large-mammal populations are too high, and when applied to small forests, its predictions for small-mammal populations are too high. Salmon-Challis National Forest in Idaho is a large forest, covering more than 4 million acres. If used to evaluate the effect of increasing pest activity on this forest in ten years, the model would likely therefore       
Which choice most logically completes the text?
A
reflect factors affecting large mammals other than increasing pest activity.
B
overestimate the actual population sizes of large mammals.
C
ignore the predator-prey relationships between large and small mammals.
D
exaggerate the effect of increasing pest activity on small mammals.