Intermediate Mathematical Challenge 2025 Q15

$\small\text{A}\,\,\,$ $\displaystyle\frac{9}{32}$

$\small\text{B}\,\,\,$ $\displaystyle\frac{9}{16}$

$\small\text{C}\,\,\,$ $\displaystyle\frac{9}{12}$

$\small\text{D}\,\,\,$ $\displaystyle\frac{9}{7}$

$\small\text{E}\,\,\,$ $\displaystyle\frac{9}{5}$