Simplify \(\frac{x - y}{x^{\frac{1}{3}} - x^{\frac{1}{3}}}\)

• A x² + xy + y²
• B x^{\(\frac{2}{3}\)} + x ^{\(\frac{1}{3}\)} + y^{\(\frac{2}{3}\)}
• C x^{\(\frac{2}{3}\)} - x^{\(\frac{1}{3}\)}y^{\(\frac{2}{3}\)}
• D y^{\(\frac{2}{3}\)}