单项选择题

单击一次命令按钮，下列程序代码的执行结果为( )。
Private Sub Commandl_Click()
Dima As Integer,b As Integer，CASInteger
a=2：b=3：c=4
PrintP2(c，b，a)
End Sub
PrivateFunctionPl(X As Integer,y As Intege；z As Integer)
P1=2*x+y+3*Z
End Function
PrivateFunctionP2(X As Integer,y As Integer,z As Integer)
P2=P1(z,x,y)+x
End Function

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