What would be the result of the following expression?\(\frac{{{{\sec }^2}x + {{\tan }^2}x}}{{{{\sin }^2}x + 1}} = ?\)

• A. 0
• B. \(\frac{1}{{{{\sin }^2}x}}\)
• C. -cos2x
• D. \(\frac{1}{{{{\cos }^2}x}}\)