WHICH_OPTION_IS_USED_WHEN_WE‚ÄÖ√Ñ√∂‚ÀÖ√Ë‚ÀÖ¬•VE_TO_SORT_FILES_CONTAINING_ONLY_NUMBERS??$#

• A. -n
• B. -a
• C. -d
• D. -u