Answer:
A. Tab
Step-by-step explanation:
"Tab" Functions in Power Point:
- Moves one cell to the right in a worksheet.
- Moves between unlocked cells in a protected worksheet.
- Moves to the next option or group of options in a dialog box.
- Shift + Tab moves to the previous cell in a worksheet or to the previous option in a dialog box.
- Ctrl + Tab switches to the next tab in the dialog box.
- Ctrl + Shift + Tab switches to the previous tab in a dialog box.