运行下列程序,输入数据8、9、3、0后,窗体中显示结果是()。 Private Sub Form_Click()   Dim sum As Integer, m As Integer   sum = 0   Do     m = InputBox("输入m")     sum = sum + m   Loop Until m = 0   MsgBox sum End SubA.0B.17C.20D.21

运行下列程序,输入数据8、9、3、0后,窗体中显示结果是()。 Private Sub Form_Click()   Dim sum As Integer, m As Integer   sum = 0   Do     m = InputBox("输入m")     sum = sum + m   Loop Until m = 0   MsgBox sum End Sub

A.0

B.17

C.20

D.21


参考答案和解析
C

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