Multiple choice

The shortcut key for 'adding background colour' is

  1. Alt + Backspace

  2. Shift + Backspace

  3. Ctrl + Backspace

  4. Ctrl + Alt

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

In many image editing programs, Alt + Backspace fills the current selection or layer with the foreground color, while Ctrl + Backspace fills it with the background color. Given the options, Alt + Backspace is the standard choice for filling.