题型:单项选择题 阅读程序: Function F(a As Integer)b=0Static cb=b+1c=c+1F=a+b+c End Function Private Sub Command1_Click()Dim a As Integera=2For i=1 To 3 Print F(A)Next i End Sub 运行上面的程序,单击命令按钮,输出结果为 ______。A.4 4 4B.4 5 6C.4 6 8D.4 7 9 查看答案