What Will the Following Section of Code Do When the User

What will the following section of code do when the user clicks the btnExit button?
Private Sub btnExit_Click(ByVal sender As System.Object, _
ByVal e as System.EventArgs) Handles btnExit.Click
Me) Close()
End Sub

A) Shut down the computer
B) Log off the current user
C) Close the current form
D) All of the above