The value of \(\frac{{2\sqrt {10} }}{{\sqrt 5 \; + \;\sqrt 2 - \sqrt 7 }} - \sqrt {\frac{{\sqrt 5 - 2}}{{\sqrt 5 \; + \;2}}} - \frac{3}{{\sqrt 7 - 2}}\;\) is:

• A. √7
• B. √2
• C. 2√5
• D. 2 + √2