单项选择题

当Form1_Click事件发生时，写出在窗体上显示的第二行和第三行是( )。
Private a As Integer,c As Integer
Private Sub Form_Click()
Dim a As Integer,b As Integer
a=10：b=10：c=10
Print a,b,c
Call test1(a,b)
Print a,b,c
End Sub
Private Sub test1(m As Integer,ByVal n As Integer)
Dim c As Integer
m=5：n=5：c=5
Print m,n,c
End Sub

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