Identify the correct order of reactivity in electrophilic substitution reaction of the following compounds.
(1) Benzene
(2) Toluene
(3) Chlorobenzene,
(4) Nitrobenzene.
A. `(i)gt(ii)gt(iii)gt(iv)`
B. `(iv)gt(iii)gt(ii)gt(i)`
C. `(ii)gt(i)gt(iii)gt(iv)`
D. `(ii)gt(iii)gt(i)gt(iv)`