If $\frac{\log _{2} a}{2}=\frac{\log _{3} b}{3}=\frac{\log _{4} c}{4}$ and $a^{1 / 2} \cdot b^{1 / 3} \cdot c^{1 / 4}=24$,then:

  • A
    $a=24$
  • B
    $b=81$
  • C
    $c=64$
  • D
    $c=256$

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