单项选择题
下面程序段中s的结果是()s = 0 For i = 1 To 3 s = s + i Next i
A.6B.3C.1D.0
A.23B.24C.-24D.-23
A.40B.3C.2D.2.5
下列VB程序段执行后x的值为()a=8 If a< 9 Then x=9End IfPrint x
A.1B.0C.9D.8
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