Problem For The Day! - 09 - Oct - 2014

The integral $$\displaystyle \int_{-\infty}^{\infty}x(-2t+1)\delta(-2t+1)dt$$ is same as

(A) $x(-2t+1) \quad$  (B) $x(2t-1) \quad$ (C) $\frac{1}{2}x(0) \quad$ (D) $x(t)$