Which command will launch smbd in daemon mode, overwriting existing log files, and listen on port 139?

A.
/usr/sbin/smbd -D -o -P 139

B.
/usr/sbin/smbd -D -f /var/log/samba/smbd.log -P 139

C.
/usr/sbin/smbd -D -f /var/log/samba/

D.
/usr/sbin/smbd -D -o