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If `omega` be complex cube root of unity satisfying the equation `(1 )/( a + omega) + (1)/( b + omega) + (1)/( c + omega) = 2 omega^(2) and (1)/( a + omega^(2)) + (1)/( b + omega^(2)) + (1)/( c + omega^(2)) = 2 omega` then `(1)/( a + 1) + (1)/( b + 1) + (1)/( c + 1)` is equal to

A

`2 `

B

` - 2 `

C

` - 1 + omega^(2)`

D

` - 1 + omega`

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The correct Answer is:
A
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