Which of the following are actions you can assign to an action button or slide object?

Option A: Run a macro
You can assign a macro to an action button or slide object in PowerPoint. This allows you to automate tasks and execute custom code when the button or object is clicked.

Option B: Play a sound
You can assign a sound to an action button or slide object, making it play a specific sound when clicked. This can be useful for adding audio effects or cues to your presentation.

Option C: Hyper link
You can create a hyperlink on an action button or slide object, allowing you to navigate to a different slide, another presentation, a website, or a different file when clicked.

Option D: All of above
This is the correct answer because all the actions mentioned (running a macro, playing a sound, and creating a hyperlink) can be assigned to an action button or slide object in PowerPoint.