Draw structural formulas representing the reaction that produces iodobenzene. Label the reactants and classify the reaction as addition or substitution.

A) Reactants: Benzene and Iodine; Reaction: Addition
B) Reactants: Benzene and Iodine; Reaction: Substitution
C) Reactants: Benzene and Iodine monochloride; Reaction: Addition
D) Reactants: Benzene and Iodine monochloride; Reaction: Substitution