ᠲᠣᠭᠲᠠᠭᠠᠯ ᠳᠤ ᠨᠡᠢᠴᠡᠬᠦ ᠤᠳᠭ᠎ᠠ ᠰᠢᠯᠵᠢᠭᠰᠡᠨ ᠦᠰᠦᠭ ᠲᠡᠮᠳᠡᠭ ᠪᠣᠯ(       )
A、‘\\’
B、’\018’
C、’Xab’
D、’\abc’