Out of benzene, m–dinitrobenzene and toluene which will undergo nitration most easily and why?

Options

1. AToluene will undergo nitration most easily because it has a methyl group, which is an electron-donating group,
2. BM-dinitrobenzene will undergo nitration most easily because it already has nitro groups, which are strong elec
3. CBenzene will undergo nitration most easily because it is the simplest compound and has no substituents that af
4. DAll three compounds will undergo nitration with equal ease because nitration primarily depends on the availabi