An administrator is reviewing updates in the master online Git repository and notices a file named .htaccess. The file contains passwords and should only be in the administrator`s local repository, not the online one. Which of the following would prevent this file from appearing online in the future? 

Answer options:

A. git commit -m "File Update" -x .htaccess
B. sed -i `s/#Preserve Hidden=True/Preserve Hidden=True/g` .git/config
C. chown nobody:nodoby .htaccess
D. echo ".htaccess" >> .gitignore

D