Answer:
C. BMP
Explanation:
BMP is a simple bitmap image format developed by Microsoft and IBM.
It's used almost exclusively on the Microsoft Windows operating system these days, was used on OS/2. It's the format the basic MS Paint program, that comes with Windows, edits its file in.
It's also a basic graphic format to use for programmers.
Of course GIF, PDF, TIFF and PNG are also used on Windows, as well as on most other operating system.
