for the same compression ratio and heat rejection,

• A. ƞOtto> ƞDual > ƞDiesel
• B. ƞDiesel > ƞDual > ƞOtto
• C. ƞDual> ƞDiesel > ƞOtto
• D. ƞDual> ƞOtto> ƞDiesel