What is the sum of the square of the intercept cut off by the circle on the axes?

• A. \({\left( {\frac{{{{\rm{a}}^2} + {{\rm{b}}^2}}}{{{{\rm{a}}^2} - {{\rm{b}}^2}}}} \right)^2}\)
• B. \(2\left( {\frac{{{{\rm{a}}^2} + {{\rm{b}}^2}}}{{{\rm{a}} - {\rm{b}}}}} \right)^2\)
• C. \(4\left( {\frac{{{{\rm{a}}^2} + {{\rm{b}}^2}}}{{{\rm{a}} - {\rm{b}}}}} \right)^2\)
• D. None of the above