The following passage is adapted from a 2023 essay on urban ecology:
"Cities were long considered ecological dead zones, inhospitable to most wildlife. Yet recent longitudinal studies challenge this assumption. Urban coyotes in Chicago exhibit larger territories and higher survival rates than their rural counterparts. Peregrine falcons, nearly extinct in the mid-twentieth century, now nest on city skyscrapers at densities exceeding those of undisturbed cliff habitats. Even insect populations, decimated in agricultural zones by pesticide use, persist in urban parks and gardens. The city, it turns out, functions less as a barrier to biodiversity and more as an unintentional refuge."
Which choice best states the central idea of the passage?
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A
Urban environments have proven more ecologically viable for certain species than traditional natural habitats.
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B
Pesticide use in agricultural areas has unintentionally driven wildlife into cities.
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C
Longitudinal studies are essential for correcting misconceptions about urban biodiversity.
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D
Cities should be redesigned to formally function as wildlife refuges.