窗体上有一个名称为Command1的命令按钮,其单击事件过程如下: Option Base 1 Private Sub Command1_Click() Dim a(4, 4) As Integer For i = 1 To 4 For j = 1 To 4 a(i, j) = Int(Rnd * 100) Next Next x = a(1, 1) y = a(1, 1) For i = 1 To 4 For j = 1 To 4 If x < a(i, j) Then x = a(i, j) If y > a(i, j) Then y = a(i, j) Next s = s + a(i, i) Next Print x, y, s End Sub 关于以上程序,以下叙述中错误的是