In the Edit Navigator View window, what action shares an existing Navigator item between two or more

In the Edit Navigator View window, what action shares an existing Navigator item between two or more Navigator views?

A.
Click the Add Item icon.

B.
Drag the item from the Source View to the Target View.

C.
Drag the item from the Target View to the Source View.

D.
Right click on the item in the Source View and select Add.

Explanation: