1.What will be displayed when the following lines are executed? Dim x As Double = 3, y As Double = 1 Dim z As Double z = x + (y * x) x = y z = x + z lstBox.Items.Add(x + y + z) (A) 4 (B) 9 (C) 10 (D) None of the above B 2.What will be the output of the following lines? Dim alphabet, soup As String alphabet = "abcdefghijklmnopqrstuvwxyz" soup = alphabet.ToUpper txtBox.Text = alphabet.Substring(0, 5) & soup.Substring(0, 5) (A) abcdeABCDE (B) ABCDEABCDE (C) eE (D) EE A 3. What will be the output of the following program when the button is clicked? Private Sub btnDisplay_Click(...) Handles btnDisplay.Click Dim x, y, z As Double x = 3 y = 3 If x > y Then z = x + y Else z = y - x End If txtBox.Text = CStr(z) End Sub (A) 6 (B) 3 (C) 0 (D) No output