The numerator of a fraction is 4 less than its denominator. If the numerator is decreased by 2 and the denominator is increased by 1, then the denominator becomes eight times the numerator. Find the fraction.

A

$$\frac{3}{7}$$

B

$$\frac{4}{8}$$

C

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

D

$$\frac{3}{8}$$