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

$$4$$