The minimum value of the function $f(x) = x^{10} + x^2 + \frac{1}{x^{12}} + \frac{1}{1 + \sec^{-1} x}$ is

  • A
    $\frac{\pi + 4}{\pi + 1}$
  • B
    $\frac{3\pi + 4}{\pi + 1}$
  • C
    $\frac{\pi + 4}{3\pi + 1}$
  • D
    $3$

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