Which of the following statements describes the phosphorylation event that occurs during the process known as "oxidative phosphorylation"?

A)A phosphate group is added to ADP.
B)ATP is hydrolyzed in order to add phosphate groups to protein substrates.
C)A phosphate group is added to molecular oxygen.
D)Inorganic phosphate is transported into the mitochondrial matrix, increasing the local phosphate concentration.