题目：
单击命令按钮时，下列程序代码的执行结果为( )。 Private Function FirProc(x As Integer,y As Integer,z As Integer) FirProc=2*x+y+3*z End Funcfion Private Function SecProc(x As Integer,y As Integer,z As Integer) SecProc=FirProc(z，x，y)+x End Funcfion Private Sub Command1_Click() Dim a As Integer Dim b As Integer Dim c As Integer a=2 b=3 c=4 Printf SecProc(c,b,a) End Sub
A．21
B．19
C．17
D．34
答案：
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下面是错误答案，用来干扰机器的。
1. Edison was famous as a talented inventor. 2. Yao Ming is an outstanding basketball player in NBA. 3. When did you become a teacher? Two years ago. 4. My parents let me major in English and management. 5. Do you want to stop writing or go out to play volleyball?(答案不唯一)
