以下程序的输出结果是______。 Dim a%() = { 1, 2, 3, 4, 5, 6, 7 } Dim i% For i = 0 To a.GetUpperBound(0) a(i) = a(i) * a(i) Next MsgBox(a(i))A.49B.0C.不确定D.程序出错

以下程序的输出结果是______。 Dim a%() = { 1, 2, 3, 4, 5, 6, 7 } Dim i% For i = 0 To a.GetUpperBound(0) a(i) = a(i) * a(i) Next MsgBox(a(i))

A.49

B.0

C.不确定

D.程序出错


参考答案和解析
A当所赋的值不够其列的宽度时,系统在其后自动补0,因此a[0][3]=0,a[1][2]=6,a[2

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