$$(3\frac{6}{17}\div2\frac{7}{34}-1\frac{9}{25})=(?)^2$$

A

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

B

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

C

$$\frac{4}{5}$$

D

$$\frac{1}{5}$$

E

$$\frac{3}{5}$$