在窗体上画一个命令按钮，然后编写如下代码： Private Type Record ID As Integer Name As String * 20 End Type Private Sub Command1_Click( ) Dim MaxSize, NextChar, MyChar Open "d:/vb/tt. txt" For Input As #1 MaxSize = LOF(1) For NextChar = MaxSize To 1 Step - 1 Seek # 1, NextChar MyChar = Input(1, # 1) Next NextChar Print EOF(1) Close $1 End Sub 假设文件d:/vb/tt. txt 的内容为 Hello eveybody! 那么程序运行后，单击命令按钮，其输出结果为 ______。

A．True

B．False

C．0

D．Null