In a certain code language, 'bart il arn' means 'thrills and frills', 'hed mik ain' means 'diamonds are 'forever', 'ad ket hed' means 'hard as diamonds', 'lim arn kelt' means 'rock music thrills', 'ket kelt lim' means 'hard rock music'. Which is the code for 'frills' in that code language?

• A. bart
• B. il
• C. arn
• D. bart or il