The lengths of the major and minor axes of an ellipse are $10$ and $8$ respectively,and its major axis lies along the $y$-axis. The equation of the ellipse,with its center at the origin,is:

  • A
    $\frac{x^2}{25} + \frac{y^2}{16} = 1$
  • B
    $\frac{x^2}{16} + \frac{y^2}{25} = 1$
  • C
    $\frac{x^2}{100} + \frac{y^2}{64} = 1$
  • D
    $\frac{x^2}{64} + \frac{y^2}{100} = 1$

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