单选题
现有程序如下:Option Base 1Private Sub Form_Click() Dim x(5,6)As Integer,y(5)As Integer For i=1 To 5 For i=1 To 6 x(i,j)=Int(Rnd*9+1) Next i Next i Call f(5,6,x,y) For i=1 To 5 Print y(i); Next iEnd SubSub f(m As Integer,n As Integer, a() As Integer,b()As Integer) For i=1 To m b(i)=0 For i=1 To n b(i)=b(i)+a(i,j) Next j Next iEnd Sub关于上述程序,以下叙述中正确的是