The correct answer is: D. Slide Show Setup.
Slide Show Setup is a PowerPoint feature that allows you to set custom timings for slides in a presentation. To access Slide Show Setup, click the “Slide Show” tab and then click the “Set Up Slide Show” button. In the Slide Show Setup dialog box, you can specify the amount of time each slide should be displayed on the screen, as well as whether or not you want to advance slides automatically.
A. Slider Timings is not a valid option.
B. Slider Timer is a feature that allows you to see how long each slide is displayed on the screen. However, it does not allow you to set custom timings for slides.
C. Rehearsal is a feature that allows you to practice your presentation before you give it. However, it does not allow you to set custom timings for slides.