The equations of two altitudes of an equilateral triangle are $\sqrt{3}x-y+8-4\sqrt{3}=0$ and $\sqrt{3}x+y-12-4\sqrt{3}=0$. The equation of the third altitude is

• A

  $\sqrt{3}x+y=4$

• B

  $y=10$

• C

  $x=10$

• D

  $x-\sqrt{3}y=4$