Certain linguists theorize that though existing large variations in the thousands of languages, dialects, pidgins, and creoles spoken today by the world's six and a half billion people, the tongues all descended from a common root language.
A) though existing
B) with the presence of
C) although there exist
D) considering the
E) despite there exist
A) though existing
B) with the presence of
C) although there exist
D) considering the
E) despite there exist
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