[单项选择题] 在窗体上画一个文本框,然后编写如下代码: Option Base 1 Private Sub Form_Click()Dim arrDim Start As Integer,Finish As IntegerDim Sum As Integerarr=Array(12,4,8,16)Start=Lbound(arr)Finish=Ubound(arr)Sum=0For i=Start To Finish Sum=Sum+arr(i)Next ic=Sum/FinishText1.Tex