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

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