If the sum of the roots of the quadratic equation $ax^2 + bx + c = 0$ is equal to the sum of the squares of their reciprocals,then $\frac{b^2}{ac} + \frac{bc}{a^2} = $

  • A
    $2$
  • B
    $-2$
  • C
    $1$
  • D
    $-1$

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