The correct answer is: C. ALT+F4

To exit Office Access 2007, you can press ALT+F4. This will bring up a dialog box asking you to confirm that you want to exit the program. Click Yes to exit.

Option A: CTRL+N

This shortcut opens a new database.

Option B: CTRL+O

This shortcut opens an existing database.

Option D: None of these

This option is incorrect.