You have forgotten the root user account password. You decide to reset the password and execute the following: Shell＞ /etc/init.d/mysql stop Shell＞ /etc/init.d/mysql start – skip-grant tables Which additional argument makes this operation safer?（）

• A、–skip-networking, to prohibit access from remote locations
• B、–reset-grant-tables, to start the server with only the mysql database accessible
• C、–read-only,to set all data to read-only except for super users
• D、–old-passwords, to start Mysql to use the old password format while running without the grant tables