If $f''(x)$ is continuous at $x = 0$ and $f''(0) = 4$,then find the value of $\lim_{x \to 0} \frac{2f(x) - 3f(2x) + f(4x)}{x^2}$.

  • A
    $4$
  • B
    $8$
  • C
    $12$
  • D
    $16$

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