Haloalkanes And Haloarenes

Select the reagents needed to convert Benzene to 4-Bromophenylpropene in the correct sequential order.

(A). $\mathrm{Cl}_2 / \Delta$

(B). $\left(\mathrm{CH}_3\right)_2-\mathrm{CHCl}$ /anhyd. $\mathrm{AlCl}_3$

(C). Alc. KOH

(D). $\mathrm{Br}_2 / \mathrm{Fe}$