In a crystalline compound,$A$ atoms occupy all corners,$B$ atoms occupy all face-centered positions,$C$ atoms occupy all edge centers,and $D$ atoms occupy all tetrahedral voids formed by $A$ and $B$ atoms. Find the formula of the compound.

  • A
    $A_4B_3C_6D_2$
  • B
    $A_4B_3C_6D_4$
  • C
    $AB_3C_3D_8$
  • D
    $AB_3C_6D_8$

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