You are designing a Windows Phone 7 application that already includes an ApplicationBar object for navigation. The application design requires a new button to provide navigation to a new page within the application. You need to modify the application logic to meet the new requirements. Which actions should you perform?

A.
Create a new ApplicationBar object. Create a new EventHandler for the user pressing the button.
Then add the ApplicationBarButton object to the ApplicationBar objects Item collection.

B.
Create a new ApplicationBarButton object. Create a new EventHandler for the user pressing the button. Then add the ApplicationBarButton object to the ApplicationBar objects Item collection.

C.
Create a new ApplicationBarMenuItem object. Create a new EventHandler for the user pressing the button. Then add the ApplicationBarButton object to the ApplicationBar objects Item collection.

D.
Create a new ApplicationBarMenuItem object. Create a new EventHandler for the user pressing the button. Then set the IsVisible property of the ApplicationBar object to false.