If \(\frac{{\sin x + \cos x}}{{\sin x - \cos x}} = \frac{6}{5}\), then the value of \(\frac{{{{\tan }^2}x + 1}}{{{{\tan }^2}x - 1}}\) is:

• A. \(\frac{{35}}{{61}}\)
• B. \(\frac{{61}}{{60}}\)
• C. \(\frac{{60}}{{61}}\)
• D. \(\frac{{61}}{{35}}\)