If $\log_x y, \log_z x, \log_y z$ are in $G.P.$,$xyz = 64$,and $x^3, y^3, z^3$ are in $A.P.$,then

  • A
    $x = y = z$
  • B
    $x = 4$
  • C
    $x, y, z$ are in $G.P.$
  • D
    All the above

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