[单项选择]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
