The diagram is of a fly. Line XY shows the wing length. The length of XY is $26\,\text{mm}$. The actual length of the wing between X and Y is $4\,\text{mm}$. Determine the magnification of the image.
- A$\times 0.15$
- B$\times 6.5$
- C$\times 22$
- D$\times 104$