A.Paralleism is ignored.FLAMES SPREADING is not parallel to MAKING IGNITION.FLAMES SPREADING - Noun + VerbMAKING IGNITION - Verb + Noun

B.Not parallel

C.Passive and not parallel

D.Correct becuase parallelism is followed and the adverb correctly modifies the nearest verb SPREAD.

E.MORE QUICKLY modifies flames which is incorrect .No parallellism as well.