在窗体上画一个命令按钮，然后编写如下代码： Private Type RecordI

问题：

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
Maxsize = LOF(1)
For NextChar = Maxsize To 1 Step -1
Seek #1, NextChar
MyChar = Input(1, #1)
Next NextChar
Print EOF(I)
Close 31
End Sub
程序运行后，单击命令按钮，其输出的结果为

A．True

B．False

C．0

D．Null