$A$ line has slope $m$ and $y$-intercept $4$. The distance between the origin and the line is equal to

  • A
    $\frac{4}{\sqrt{1 - m^2}}$
  • B
    $\frac{4}{\sqrt{m^2 - 1}}$
  • C
    $\frac{4}{\sqrt{m^2 + 1}}$
  • D
    $\frac{4m}{\sqrt{1 + m^2}}$

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