For different values of $\alpha$, the locus of the point of intersection of the two straight lines $\sqrt{3} x - y - 4 \sqrt{3} \alpha = 0$ and $\sqrt{3} \alpha x + \alpha y - 4 \sqrt{3} = 0$ is

  • A
    a hyperbola with eccentricity $2$
  • B
    an ellipse with eccentricity $\sqrt{\frac{2}{3}}$
  • C
    a hyperbola with eccentricity $\sqrt{\frac{19}{16}}$
  • D
    an ellipse with eccentricity $\frac{3}{4}$

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