单击命令按钮执行下列程序，其输出结果是( )。 Private Sub Comm
题型：单项选择题
问题：
单击命令按钮执行下列程序，其输出结果是( )。 Private Sub Command1_Click() Dim a As Integer, b As Integer, c As Integer a=3 b=4 c=5 Print SecProc(c, b, a) End Sub Function FirProc(x As Integer, y As Integer, z As Integer) FirProc=2*x+y+3*z End Function Function SecProc(x As Integer, y As Integer, z As Integer) SecProc=FirProc(z, x, y)+x End Function
A．20
B．22
C．28
D．30
