All are characteristic of fructose bisphosphate aldolase in animal tissues EXCEPT:

A) It belongs to the lyase class of enzymes.
B) The reaction is reversible in erythrocytes (ΔG is very small).
C) It is a Class II aldolase.
D) The mechanism involves formation of a Schiff base with an active-site lysine side-chain.
E) The products are an aldotriose phosphate and a ketotriose phosphate.