The survival of a rare New Zealand species of mistletoe that produces spectacular sprays of scarlet flowers is threatened both because their leaves are extremely tasty to a voracious opossum species and also because their flowers are pollinated by two species of birds whose populations are in decline.
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Ais threatened both because their leaves are extremely tasty to a voracious opossum species and also because their
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Bis threatened both because its leaves are extremely tasty to a voracious opossum species and because its
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Cis threatened both because its leaves are extremely tasty to a voracious opossum species and also its
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Dare threatened both because its leaves are extremely tasty to a voracious opossum species and its
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Eare threatened both because their leaves are extremely tasty to a voracious opossum species and because their
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正确答案: B