The value of $$\frac{3}{2} \div \frac{1}{7} \times \left[\left(\frac{1}{2} - \frac{1}{3}\right) \div \frac{1}{42}\right]$$=?

A

$$72\frac{1}{3}$$

B

$$73\frac{1}{2}$$

C

$$72\frac{1}{2}$$

D

$$71\frac{2}{3}$$