The equation of a straight line drawn through the focus of the parabola $y^2 = -4x$ at an angle of $120^\circ$ to the $x$-axis is:
- A$y + \sqrt{3}(x - 1) = 0$
- B$y - \sqrt{3}(x - 1) = 0$
- C$y + \sqrt{3}(x + 1) = 0$
- D$y - \sqrt{3}(x + 1) = 0$
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