Which statement is true about customizing presentation programs? A. You can add multiple animations to an object in a slide with the Design option. B. You can customize a predesigned slide layout with the Slide Master. C. You can view the animation effect on the slide when you are working on it. D. You cannot make any changes to the predesigned themes in presentation programs

From all the given options, the correct statement about customizing presentation is (B) you can customize a pre-designed slide layout with the Slide Master.

The option (A) is false, because if you want to put animations on your slide objects, you need to go to the Animation tab, while option (C) is false because to view the animation that you assign to a slide object, you need to open the animation pane bar or go to slide show. Option (D) is false because you can make changes to the colors, fonts, and effects for pre-designed slide themes.