If \( 1, \alpha_{1}, \alpha_{2} \ldots \ldots, \alpha_{2008} \) are \( (2009)^{\text {th }} \) r...
If \( 1, \alpha_{1}, \alpha_{2} \ldots \ldots, \alpha_{2008} \) are \( (2009)^{\text {th }} \) roots of unity, then the value of \( \sum_{r=1}^{2008} r\left(\alpha_{r}+\alpha_{2009-r}\right) \) equals
(A) 2009
(B) 2008
(C) 0
(D) -2009
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