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题库 / OG2017V-SC-244
Recently discovered fossil remains strongly suggest that the Australian egg-laying mammals of today are a branch of the main stem of mammalian evolution rather than developing independently from a common ancestor of mammals more than 220 million years ago.
rather than developing independently from
rather than a type that developed independently from
rather than a type whose development was independent of
instead of developing independently from
instead of a development that was independent of
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1而不是用语习惯一般优先用rather than，而非instead of，排除DE。
2rather than前是are a branch of the main stem of mammalian evolution ,其后应（are）***平行,排除A。
3develop动词表达优于名词，选B。
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