Two prospective tenants feels that because of their national origin, they were denied rental of an apartment in a 12−$\mathrm{<br>}$unit apartment building. The building was owned by a private individual who lived in one of the units and who used no discriminatory advertising and no real estate broker. Do the prospective tenants have any recourse?

O A.$.$ Yes, because discrimination was in the rental of a unit in a 12−unit building.

O B.$.$ Yes, because the owner of the building did not use a broker.

O C.$.$ No,$,$ because the owner occupied one of the units.

O D.$.$ No,$,$ because the owner avoided discriminatory advertising.