Given that the current directory is empty, and that the user has read and write permissions, and the following: Which statement is true?（）

• A、Compilation fails.
• B、The file system has a new empty directory named dir.
• C、The file system has a new empty directory named newDir.
• D、The file system has a directory named dir, containing a file f1.txt.
• E、The file system has a directory named newDir, containing a file f1.txt.