The ratio of the deflections of the free end of a cantilever due to an isolated load
at $$\frac{1}{3}^{rd}$$ and $$\frac{2}{3}^{rd}$$ of the span is

A

$$\frac{1}{7}$$

B

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

C

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

D

$$\frac{2}{5}$$