题目内容
（请给出正确答案）
[主观题]
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
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
如搜索结果不匹配，请 联系老师 获取答案
