If \(a = \frac{{\sqrt {87} + \sqrt {17} }}{{\sqrt {92} - \sqrt {22} }}\), \(b = \frac{{\sqrt {87} - \sqrt {17} }}{{\sqrt {92} + \sqrt {22} }}\), then the value of \(\frac{1}{{1 + {a^2}}} + \frac{1}{{1 + {b^2}}}\) is

• A. 70
• B. 0
• C. 1
• D. None of the above