Simplify:$${{{5 \over 3} \times {7 \over {51}}of{{17} \over 5} - {1 \over 3}} \over {{2 \over 9} \times {5 \over 7}of{{28} \over 5} - {2 \over 3}}}$$

• A. 1/2
• B. 4
• C. 2
• D. 1/4