【单选题】下列程序段的执行结果为( )。 Private Sub Command1_Click() a = 0: b = 0 For i = -1 To -2 Step -1 For j = 1 To 2 b = b + 1 Next j a = a + 1 Next i Print a; b End Sub
【单选题】设有如下程序: Option Base 1 Dim a(3, 4) As Integer, b(4, 3) As Integer Private Sub Command1_Click() '循环1 For i = 1 To 3 For j = 1 To 4 b(j, i) = a(i, j) Next j Next i '循环2 x = b(1, 1) For i = 1 To 4 For j...