GRE Sentence Completion

If duty is the natural___of one's___the course of future events;then people who are powerful have duty placed on them whether they like it or not.
(A) correlate..understanding of
(B) outgrowth..control over
(C) determinant..involvement in
(D) mitigant..preoccupation with
(E) arbiter..responsibility for

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Ans : (B) outgrowth..control over