单项选择题

单击命令按钮时,下列程序的执行结果是( )。   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*s+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