$\int_{-1}^{0} \frac{4x^2 + 4x + 3}{1 + e^{2x + 1}} dx = $

  • A
    $\frac{7}{3}$
  • B
    $0$
  • C
    $\frac{7}{6}$
  • D
    $\frac{7}{12}$

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