\(9\frac{3}{4} \div \left[ {2\frac{1}{6} \div \left\{ {4\frac{1}{3} - \left( {2\frac{1}{2}\; + \;\frac{3}{4}} \right)} \right\}} \right]\) is equal to:

• A. 3
• B. 39/8
• C. 4
• D. 15/4