题目选项分析

Like the large tracts of unbroken forest that the pileated woodpecker requires to both feed and nest year-round as a non-migrating species, the bird itself is disappearing in the eastern United States as a consequence of suburban commercial developments and of the introduction of invasive species.

Like the large tracts of unbroken forest that the pileated woodpecker requires to both feed and nest year-round as a non-migrating species, in the eastern United States, the woodpeckers’ disappearing, a consequence of suburban commercial developments and introducing of invasive species.