If $f(x) = \int \frac{dx}{x^2+2}$ and $f(\sqrt{2}) = 0$,then $f(0) =$

  • A
    $\frac{\pi}{2 \sqrt{2}}$
  • B
    $\frac{-\pi}{2 \sqrt{2}}$
  • C
    $\frac{-\pi}{4 \sqrt{2}}$
  • D
    $\frac{\pi}{4 \sqrt{2}}$

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