Glycolysis takes places in the __________ and produces __________ , which in the presence of oxygen then enters the __________ .

• A. cytosol; pyruvate; mitochondrion to complete fermentation
• B. cytosol; glucose; mitochondrion to complete fermentation
• C. mitochondrion; pyruvate; chloroplast to complete photosynthesis
• D. cytosol; pyruvate; mitochondrion to complete cellular respiration