设有如下事件过程：Private Sub Command1_Click() ch = "ABCDEFG" n = Len(ch) k = 1 Do Print Mid(ch, k, 1); Mid(ch, n, 1); k = k + 1 n = n - 1 Loop Until k > nEnd Sub运行此过程所产生的输出是 A: AGBFCEDD B: AGBFCED C: GFEDCBA D: GAFBECD
设有如下事件过程：Private Sub Command1_Click() ch = "ABCDEFG" n = Len(ch) k = 1 Do Print Mid(ch, k, 1); Mid(ch, n, 1); k = k + 1 n = n - 1 Loop Until k > nEnd Sub运行此过程所产生的输出是 A: AGBFCEDD B: AGBFCED C: GFEDCBA D: GAFBECD
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