使用Do While循环从打开的文件中逐条读取记录,以下能够正确读取数据的程序是______。
                                                            
                                                                A) Open " c:\File1.txt" For Input As #1
Do While Not EOF()
 
Line Input #1, strline
 
 ……
 
 Loop
B) Open " c:\Filel.txt" For Input As #1
 Do While Not EOF(1)
 
 Line Input #1, strline
 
 ……
 
 Loop
C) FileNo=FreeFile
 Open "c:\File1.txt" For Input As #1
 
 Do While Not EOF(FileNo)
 
 Line Input #1 , strline
 
 ……
 
 Loop
D) FileNo=FreeFile
 Open "c: \File1.txt" For Input As #1
 
 Do While Not EOF(#FileNo)
 
 Line Input #1, strline
 
 ……
 
 Loop