760. The group called the Teton Sioux inhabits parts of North and South Dakota; their language and customs differ, however, from the Yankton, Sisseton, and Dakota Sioux.

(A) their language and customs differ, however, from
(B) its language and customs differ, however, from
(C) however, they have different language and customs than
(D) however, their language and customs differ from those of
(E) its language and customs differ, however, from those of

Solution:

Pronoun + Comparison

In A, C, and D, “their” or “they” (plural pronoun) is used for “group” singular noun.
In B, “language and customs” are being compared to “Yankton, Sisseton…”. Hence, wrong comparison.
In E, the error with B is rectified; hence, E is the best choice.

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