Naphthenic acid is represented by?

• A. CnH2n+2O‚Äö√á√á
• B. CnHsub>2n-2O‚Äö√á√á
• C. CnHsub>2n+2O‚Äö√á√á (n ‚Äö√¢‚Ä¢ 6)
• D. CnHsub>2n+6O‚Äö√á√á (n ‚Äö√¢¬ß 6)