For an invertible matrix $A$,if $A(\operatorname{adj} A) = \begin{bmatrix} 10 & 0 \\ 0 & 10 \end{bmatrix}$,then $|A| = $

  • A
    $100$
  • B
    $-100$
  • C
    $10$
  • D
    $-10$

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