In Glycolysis, for Each Molecule of Glucose Oxidized to Pyruvate

In glycolysis, for each molecule of glucose oxidized to pyruvate

A) two molecules of ATP are used and two molecules of ATP are produced.
B) two molecules of ATP are used and four molecules of ATP are produced.
C) four molecules of ATP are used and two molecules of ATP are produced.
D) two molecules of ATP are used and six molecules of ATP are produced.
E) six molecules of ATP are used and six molecules of ATP are produced.