The separate equations of the lines represented by the equation $3x^{2}-2\sqrt{3}xy-3y^{2}=0$ are

• A
  $x-\sqrt{3}y=0$ and $3x+\sqrt{3}y=0$
• B
  $x+\sqrt{3}y=0$ and $3x+\sqrt{3}y=0$
• C
  $x-\sqrt{3}y=0$ and $3x-\sqrt{3}y=0$
• D
  $x+\sqrt{3}y=0$ and $3x-\sqrt{3}y=0$