The SOS response to DNA damage in bacteria is error-prone because:

A) it uses DNA polymerase that lacks 5' exonuclease activity.
B) it is an inducible system.
C) the polymerases used lack 3' exonuclease activity.
D) more than one polymerase can be used to repair the damage.
E) it is stimulated by ultraviolet light that causes mutations.