Let $f: (-1, 1) \to R$ be a differentiable function with $f(0) = -1$ and $f'(0) = 1$. Let $g(x) = [f(2f(x) + 2)]^2$. Then $g'(0) = $

  • A
    $-4$
  • B
    $0$
  • C
    $-2$
  • D
    $4$

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