GRE Sentence Completion

Do not be fooled by her ____ manner; her superficial ____ belies her worldliness.

A. ingenuous - proficiency
B. worldly - simplicity
C. unsophisticated - naiveté
D. gregarious - isolation
E. off-hand - serious

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Ans : C. unsophisticated - naiveté

Explanation : belies means to contradict, expose as false, disguise, give a wrong impression