题目信息
The many extant fossils yet to be attributed to a species suggest that our classification of extinct species is either deficient, with many unclassified species meriting distinct branches on the taxonomic tree, or that our method of identification is lacking, with many fossils indeed attributable to known extinct species.
A:to be attributed to a species suggest that our classification of extinct species is either deficient, with many unclassified species meriting distinct branches on the taxonomic tree, or that
B:attributed to a species suggest that our classification of extinct species is either deficient, and that many unclassified species merit a distinct branch on the taxonomic tree, or that
C:to be attributed to a species suggest our classification of species that are extinct is either deficient, because many unclassified species merit on the taxonomic tree a distinct branch, or
D:to be attributed to a species suggest either that our classification of extinct species is deficient, many unclassified species meriting distinct branches on the taxonomic tree, or that
E:attributed to a species suggests that our classification of extinct species is either deficient, because many unclassified species merit distinct branches on the taxonomic tree, or
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D:to be attributed to a species suggest either that our classification of extinct species is deficient, many unclassified species meriting distinct branches on the taxonomic tree, or that
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Magoosh
