What is the value of $$\frac{\sqrt{7} + \sqrt{5}}{\sqrt{7} - \sqrt{5}} \div \frac{\sqrt{14} + \sqrt{10}}{\sqrt{14} - \sqrt{10}} + \frac{\sqrt{10}}{\sqrt{5}}$$?

A

$$2\sqrt{2} + 1$$

B

$$\sqrt{2} + 2$$

C

$$\sqrt{2} + 1$$

D

$$2\sqrt{2} + 2$$