单击命令按钮时，下列程序的执行结果为Private Sub Command1_Click（）Dim a As Integer, b As Integer, c As Integera=2: b=3: c=4Print P2（c, b, A．End SubPrivate Function P1（x As Integer, y As Integer, z As Integer）P1=2 * x + y + 3 * zEnd FunctionPrivate Function P2（x As Integer, y As Integer, z As Integer）P2=P1（z, x, y） + xEnd Function （ ）。A．21B．19C．17D．34
单击命令按钮时，下列程序的执行结果为
Private Sub Command1_Click（）
Dim a As Integer, b As Integer, c As Integer
a=2: b=3: c=4
Print P2（c, b, A．
End Sub
Private Function P1（x As Integer, y As Integer, z As Integer）
P1=2 * x + y + 3 * z
End Function
Private Function P2（x As Integer, y As Integer, z As Integer）
P2=P1（z, x, y） + x
End Function （ ）。
A．21
B．19
C．17
D．34
相关考题：
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