题目

某同学编写了如下VB程序段，运行后弹出下面的错误信息。则错误时所执行的语句是（  ）Private Sub Command1_Click( )Dim x As String, k As String, j As Integerx = "XiaoWei"                    ①k = "语文"                       ②j = 90                           ③Text1.Text = x + k +j               ④End Sub     A . ① B . ② C . ③ D . ④ 答案：D

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