Unable to build nests or care for their young, a female cowbird lays up to 40 eggs a year in the nests of other birds, including warblers, vireos, flycatchers, and thrushes.
a female cowbird lays up to 40 eggs a year in the nests of other birds, including
a female cowbird will use the nests of other birds to lay up to 40 eggs a year, including those of
female cowbirds use the nests of other birds to lay up to 40 eggs a year, including those of
female cowbirds lay up to 40 eggs a year in the nests of other birds, including
up to 40 eggs a year are laid by female cowbirds in the nests of other birds, including
划线句子观察:1.主语句;2.subsentence 直接修饰主句;3.participle phrase
选项对比:b:时态;c:有指代;d:集合名词;e:主语
排除错误选项,再次阅读d选项带入原句最为concise,语意表达正确,正确选项
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