Which Mechanism Accounts for the Reaction of Chlorobenzene with Acetyl

Multiple Choice

Which mechanism accounts for the reaction of chlorobenzene with acetyl chloride and AlCl₃ to form 4-chloroacetophenone?

A) Bimolecular nucleophilic substitution (S_N2)
B) Nucleophilic aromatic substitution by elimination-addition
C) Nucleophilic aromatic substitution by addition-elimination
D) Electrophilic aromatic substitution