The correct option is A Protoplasmic respiration
Protoplasmic respiration uses protein as the substrate for respiration. Proteins are generally preferred as a substrate only after the carbohydrate and fat reserves have been depleted completely. Thus, it is the rare mode of respiration and occurs when the body is starving.
Respiration that uses carbohydrates or fats as the substrates is called floating respiration.
Breaking down of substrates in the lack or absence of oxygen to produce energy is called anaerobic respiration.