Sub fact (mAs Integer, totalAs Long) Dim iAs Integer total = 1 for i = 1 To m total = total*i Next i End Sub 调用它的事件过程如下: Private SubCommand1_Click () Dim totAs Long Dim aAs Integer a = Val InputBox (“请输入数据”)) Call fact (a, tot) Print tot End Sub 则输入数据5,运行结果为 ______。 A.100 B.120 C.200 D.50