[单项选择题] 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
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[单项选择题] 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,窗体上输出的结果是
A.3
B.9
C.14
D.21
参考答案: