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.13
B.16
C.36
D.33