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

ACompilation fails.

BThe file system has a new empty directory named dir.

CThe file system has a new empty directory named newDir.

DThe file system has a directory named dir, containing a file f1.txt.

EThe file system has a directory named newDir, containing a file f1.txt.