Use the . . . . . . . . to verify the tab order control in the interface.

The correct answer is C. Tab key.

The Tab key is used to move the cursor to the next focusable element in a user interface. This can be used to verify the tab order control in the interface.

The Enter key is used to submit a form or to select a default button.

The Shift key is used to type capital letters and to access special characters.

The Alt key is used to access keyboard shortcuts.