试题与答案

阅读下面的程序: Private Sub Command1_Click( )

题型:单项选择题

题目:

阅读下面的程序:
Private Sub Command1_Click(
)
  For i = 1 To 3
    For j = 1 To i
      For k = j To 3
        x = x + 1
      Next k
    Next j
  Next i
  Print x
End Sub
程序运行后,单击命令按钮,窗体上输出结果是________。

A.3

B.9

C.14

D.21

答案:

参考答案:C

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