Which Reaction Does NOT Convert Gluconeogenic Precursors to the Next $\alpha$

Multiple Choice

Which reaction does NOT convert gluconeogenic precursors to the next step in gluconeogenesis?

A) Glycerol is converted to dihydroxyacetone phosphate using the enzymes glycerol kinase and glycerol-3-phosphate dehydrogenase.
B) Lactate is converted to alanine using lactate dehydrogenase.
C) Alanine is converted to pyruvate using alanine aminotransferase.
D) Glutamate is converted to $\alpha$ -ketoglutarate using either glutamate dehydrogenase or an aminotransferase.
E) Pyruvate is carboxylated using bicarbonate and pyruvate carboxylase.