打开磁盘上的文件"
C:\T1.txt"，清除原内容，写入新内容，应使用语句_________。
选项：

A:Open "
C:\T1.txt" For New
B:Open New "
C:\T1.txt" For Output
C:Open "
C:\T1.txt" For Output As
D:1
E:Open
F:1 "
C:\T1.txt" For Output