Answer:
A. Compressing the picture in the Picture Tools tab
Step-by-step explanation:
To compress the size of a picture in Excel spreadsheet is by choosing the compress pictures option in the Picture Tools tab.
Once you select the picture(s) you want to reduce the size, a new option of 'Picture Format' will appear on the toolbar. In that option, many options will appear. One of these option is 'compress pictures'. With the help of this option, you can either compress picture or multiple pictures.
Therefore, the correct way to compress pictures in Excel spreadsheet us option A.