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 * x + y + 3 * z+2  End Function  Function SecProc (x As Integer,y As hteger,z As Integer)    SecProc=FirProc(z,x,y)+x+7  End Function

A.20
B.25
C.37
D.32