Find the value of '?' in \(\left\{ {\frac{{ - 3}}{2} \times \frac{3}{7}} \right\} + \left\{ {\frac{5}{2} \times \frac{3}{7}} \right\}\)= ?

• A. \(\frac {2} {7}\)
• B. \(\frac {7} {2}\)
• C. \(\frac {5} {7}\)
• D. \(\frac {3} {7}\)