$$2 + 3 \div 2 of \frac{3}{2} + 2\left(4 \times 2 \div 2 of \frac{1}{2} + 2 - \frac{1}{2}\right)$$, after simplification, will give the result as:

A

$$\frac{7}{2}$$

B

21

C

19

D

22