B.To paint pretty pictures on background of slides
C.To paint pretty pictures on your slides
D.To change the background color of your slides
Explanation: The Format Painter in PowerPoint copies and applies formatting to text, shapes, pictures, and cells. It’s best for drawing objects like AutoShapes.
How to use Format Painter
Select the text, shape, picture, or cell with the formatting you want to copy
On the Home tab, select the Format Painter button in the Clipboard group
To apply the formatting once, single-click Format Painter
To apply the formatting more than once, double-click Format Painter
Select what you want to apply the formatting to
Keyboard shortcuts
Alt+Ctrl+C: to copy a format
Alt+Ctrl+V: to paste a format
ESC: to stop formatting
Format Painter limitations
Format Painter only copies visual formatting, not any data the shape might hold.
Submitted by: Academy of Pakistan