The term independent of $x$ in the expansion of ${\left( {2x + \frac{1}{{3x}}} \right)^6}$ is

  • A

    $\frac{{160}}{9}$

  • B

    $\frac{{80}}{9}$

  • C

    $\frac{{160}}{{27}}$

  • D

    $\frac{{80}}{3}$

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