Simplify: $$\left[1 + \frac{1}{10 + \frac{1}{10}}\right] + \left[1 - \frac{1}{10 + \frac{1}{10}}\right]$$

A

2

B

$$\frac{3}{10}$$

C

$$\frac{91}{101}$$

D

$$\frac{101}{10}$$