While working on a forty-slide powerpoint presentation, a user needs to quickly look over the six slides that have orange backgrounds. how can the user most efficiently find the six slides and then see them in the main powerpoint window? a) by going under the view tab and clicking on the new window tool b) by clicking on the file tab and using the open dialog box to select a slide c) by scrolling through the slide previews on the left and clicking on orange slides d) by using the slider in the bottom right to zoom out until all slides are visible