What is the simplified value of \(\frac{{{{\left( {5.2} \right)}^3} - {{\left( {1.7} \right)}^3}}}{{{{\left( {5.2} \right)}^2} + 5.2 \times 1.7 + {{\left( {1.7} \right)}^2}}}?\)

• A. 3.5
• B. 1.7
• C. 5.2
• D. 6.9