Simplify the following expression :
$$6 \div 4 of 3 - 4 \div 6 \times (13 - 10) - 2 \times 15 \div 6 \times 6$$

A

$$-27\frac{1}{2}$$

B

$$-19\frac{1}{2}$$

C

$$-29\frac{14}{17}$$

D

$$-31\frac{1}{2}$$