If $A = \begin{bmatrix} 1 & 0 & 1 \\ 0 & 1 & 1 \\ 0 & 1 & 0 \end{bmatrix}$,then $A^{-1} =$

  • A
    $A - 2A^2$
  • B
    $2A - A^2$
  • C
    $2A^2 + A$
  • D
    $2A + A^2$

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