Simplify $$\frac{x^{2}+2x+y^{2}}{x^{3}-5x^{2}}$$ if $$x+\frac{y^{2}}{x}=5$$

A

$$\frac{5}{y^{2}}$$

B

$$\frac{7}{y^{2}}$$

C

$$-\frac{5}{y^{2}}$$

D

$$-\frac{7}{y^{2}}$$