（28）阅读下列程序： Private Sub Commandl_Click() Dim i As Integer,k As Integer k=2 For i=1 To 3 PrintH(K)； Next i End Sub Function H(j As Integer) Static b a=0 a=a+1 b=b+1 H=a*b+jEnd Function 单击命令按钮，执行程序，输出结果是A.2 3 4 B.3 4 5 C.5 6 7 D.3 5 6