(A) the inhabitants of the Lofotens have evolved folkways and a life-style that bring warmth
(B) the inhabitants of the Lofotens have evolved folkways and a life-style that brings warmth
(C) evolving folkways and a life-style were evolved by the Lofotens inhabitants to bring warmth
(D) evolving folkways and a life-style brought warmth to the Lofotens inhabitants as well as
(E) warmth-bringing folkways and life-styles have been evolved by the inhabitants of the Lofotens
Solution:
Subject-verb agreement + Modifiers
Here, the sentence begins with a modifying phrase virtually undisturbed. Clearly, this phrase modifies the inhabitants. Therefore, the inhabitants must come immediately after the coma (or the introductory phrase).
C, D, and E: Virtually undisturbed incorrectly modifies evolving/warmth-bringing folkways and hence, these three choices are incorrect.
B: folkways and life-style are a plural subject but verb brings is singular and hence, B is incorrect.
A: folkways and life-style has a plural verb bring and virtually undisturbed correctly modifies the inhabitants and hence, A is the best choice.
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