Which Statement Best Describes Steps 1, 2, and 3 of Glycolysis

Which statement best describes steps 1, 2, and 3 of glycolysis (glucose $\rightarrow$ glucose 6-phosphate $\rightarrow$ fructose 1,6-bisphosphate) ?

A) A six-carbon molecule is broken down into three two-carbon molecules.
B) All three reactions are exergonic.
C) These reactions produce energy in the form of one NADH per glucose.
D) These reactions require energy in the form of one ATP per glucose.
E) These reactions require energy in the form of two ATP per glucose molecule.