The four-million-year-old fossilized skeleton known as Lucy is so small compared with many other skeletons presumed to be of the same species, and so some paleontologists have argued that Lucy represents a different lineage.
- presumed to be of the same species, and so
- presumed to be of the same species that
- presumed that they are of the same species, and so
- that they have presumed to be of the same species, so that
- that they have presumed are of the same species, and
这道题我分析句子结构是The......skeleton ......is so small......that some paleontologists ...... 只有B符合这个结构。所以答案是B。另外 A. and so不符合语法,应该是so+从句 C. 同A D.they have persumed应该用被动语态;时态应该是现在时;so that不符合语法 E.they have persumed应该用被动语态;时态应该是现在时; 不知道这么分析对不对,欢迎NN来指点。另外,GWD13套的第二套讨论怎么这么少,那不是白做了。
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