When you look for similarities in two things you read you compare them
I believe it is B, China.
The most likely format for the file that she will use is PNG.
The abbreviation stands for - Portable Network Graphics, and is used for images that are more complex than the simplest images used in the JPEG format. GIF is used for moving images, and TIFF (Tagged Image File Format) is used for very complex images, which is something Emily doesn't need.
You will be asked to set goals for yourself in a self assessment.