Let $f(x) = \sin^{-1} x$ and $g(x) = \frac{x^2 - x - 2}{2x^2 - x - 6}$. If $g(2) = \lim_{x \to 2} g(x)$,then the domain of the function $f \circ g$ is .... .

  • A
    $(-\infty, -2] \cup [-\frac{3}{2}, \infty)$
  • B
    $(-\infty, -2] \cup [-1, \infty)$
  • C
    $(-\infty, -2] \cup [-\frac{4}{3}, \infty)$
  • D
    $(-\infty, -1] \cup [2, \infty)$

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