What is the most logical next event?

How to use excel 2007 
Become familiar with general microsoft office 2007 features. 
Learn how to save and open files, use the help features, print and do other common office tasks before learning more about how to use excel 2007. 
Click on a cell with the left mouse button.

Pick from:
 A). On a computer, a file containing a excel toolbar is either selected, or selected by the cursor. Click on the file and a window will pop up asking for your help.;
 B). This is the first cell in the list. Click on excel 2007's business menu (with the right mouse button).;
 C). Enter desired text or numbers into the cell. Click another cell or press enter to finish.;
 D). Many phones have an arrow button on it as you type to mark the cell. Choose a cell model to use for a brief background background.;
C).