单击命令按钮时，下列程序代码的执行结果为______ 。Public Function MyFune(m As Integer，n As Integer) As IntegerDo While m＜＞n Do While m＞nm=m-n Loop Do While m＜n n=n -m LoopLoopMyFunc=mEnd FunctionPrivate Sub Command1_Click() Print MyFunc(24, 18)End Sub

A．2

B．4

C．6

D．8