Which Statement Best Distinguishes Between Glycolysis and the Electron Transport

Which statement best distinguishes between glycolysis and the electron transport chain?

A) Both result in the production of ATP from glucose but glycolysis requires oxygen while the electron transport chain does not.
B) Glycolysis does not result in the production of ATP from glucose,while the electron transport chain does.
C) Both result in the production of the ATP from glucose and both require oxygen to function.
D) Both result in the production of ATP from glucose,but the electron transport chain requires oxygen to function while glycolysis does not.