A. Private Sub Form _ Db1Click( ) Forml.Hide Form2.Show 0 End Sub B. Private Sub Form _ Db1Click( ) Form1.Hide Form 2.Show 1 End Sub C. Private Sub Form _ Click( ) Form l.Hide Form 2.Show End Sub D. Private Sub Form _ Dbl Click( ) Form l.Enabled=False Form 2.Enabled=True End Sub