Are you going this for school or for you in the house ?
I think it could be either A or D, kind of leaning more towards D. Let me know if this helped!!
The correct answer is letter C. glucose. The oxygen-energy system can extract energy from glucose. Actually, there are three separate energy production systems that comes from the foods that we eat and turn into a chemical energy. These are the: ATP-PC system, Anaerobic glycolytic system, Aerobic <span>system. Glycolytic system contains glucose.</span>