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:/temp/female.txt"For Input As # 1 Max Size=LOF(1) For Next Char=1 To MaxSize Seek # 1，NextChar MyChar=Input(1，# 1) Next NextChar Print EOF(1) Close # 1 End Sub 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