If $$\frac{3}{4}$$ of the weight of a brick is $$\frac{7}{8}$$ kg, then $$\frac{5}{7}$$ of the weight of the brick will be:

A

$$\frac{20}{21}$$ kg

B

$$\frac{5}{6}$$ kg

C

$$\frac{5}{8}$$ kg

D

$$\frac{15}{32}$$ kg