阅读程序：
Sub subP(b() As Integer)
For i＝1 To 4
b(i)=2 * i
Next i
End Sub
Private Sub Command1_Click()
Dim a(1 To 4) As Integer
a(1)＝5
a(2)＝6
a(3)＝7
a(4)＝8
subP a()
For i＝1 To 4
Print a(i)
Next i
End Sub
运行上面的程序，单击命令按钮，输出结果为