The four-million-year-old fossilized skeleton known as Lucy is so small compared with many other skeleton presumed to be of same species, and so some paleontologists have argued that Lucy represents a different lineage.

(A) presumed to be of same species, and so
(B) presumed to be of the same species that
(C) presumed that they are of same species, and so
(D) that they have presumed to be of the same species, so that
(E) that they have presumed are of the same species, and



OA B

Source: GMAT Prep