The value of $$[\left\{(232 \div 29  of  2) + 77 \times 10\right\} \div 18 ] - \frac{18 \times 8 \div 4  of  3 - 4}{2 \times (8 - 6) + 1 - 2 \times 3 \div 4  of  \frac{1}{2}}$$ is:

A

39

B

44

C

33

D

47