If the area of the auxiliary circle of the ellipse $\frac{{{x^2}}}{{{a^2}}}\, + \,\frac{{{y^2}}}{{{b^2}}}\, = \,1(a\, > \,b)$  is twice the area of the ellipse, then the eccentricity of the  ellipse is

  • A

    $\frac{1}{\sqrt2}$

  • B

    $\frac{\sqrt3}{2}$

  • C

    $\frac{1}{\sqrt3}$

  • D

    $\frac{1}{2}$

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