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 Commandl_click()
Dim MaxSize，NextChar，MyChar
Open "D:\temp\female.txt"For Input As #1
MaxSize=LOF(1)
For NextChar=1 To Max Size
Seek #1，Next Char
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

After a passenger checks in for his flight, he has to go through the passport centrol and securit chock before boarding.（）