Given the Following Directory Permissions

Multiple Choice

Given the following directory permissions:     
drwxrwxrwt 14 root root 36864 2012-03-02 11:17 /tmp
What does the letter t at the end of drwxrwxrwt indicate?

A) It is the sticky bit that causes all commands in this directory to be launched as root.
B) It means that even though the directory is globally writable only the owner can delete their own files.
C) It makes the directory accessible for everybody.
D) It indicates that this directory contains only temporary files that may be deleted.
E) It is a temporary bit that prevents launching commands in this directory.