执行下面程序,单击Cmd1,窗体上显示的第一行是 ,第 二行是 ,第三行是 Option Explicit Option Base 1 Pivale Sub Cmd_Click( ) Dim sa(3, 3) As String * 1, i As Integer, j As Integer, k As Integer k = 1 For i = 1 To 3 For j = 1 To 3 sa(i, j) = Chr(Asc(Asc("A") + (k + i + j) Mod 26)) Print sa(i, j); " "; k = k + 3 Next j Print Next i End Sub