[单选题]
1. What is the role of oxygen in aevh .eyku/-r u(robic respirat )jcs2f mqujjw.-yuxr/*zi++ ion?
A. It is used to make energy.
B. It reacts with glucose to form water.
C. It is used in aerobic respiration in the cytoplasm.
D. It is used in aerobic respiration in the mitochondria.
