The correct answer is: A. Allow you to view a different worksheet.
The tab scrolling buttons are located at the bottom of the Excel window, and they allow you to view different worksheets in your workbook. To view a different worksheet, simply click on the tab for the worksheet you want to view.
Option B is incorrect because the vertical scroll bar allows you to view additional worksheet rows down.
Option C is incorrect because the horizontal scroll bar allows you to view additional worksheet columns to the right.
Option D is incorrect because the sheet tabs allow you to view additional sheets in your workbook.