If x + y + z = 0, then what will be the value of $$\left(\frac{x^{2}}{yz}\right) + \left(\frac{y^{2}}{zx}\right) + \left(\frac{z^{2}}{xy}\right)$$?

A

$$\frac{x^{2} + y^{2} + z^{2}}{xyz}$$

B

$$x^{2} + y^{2} + z^{2}$$

C

$$\frac{x^{2}y^{2}z^{2}}{x}

D

3