{{i}}quEstions 18-21 ArE BAsED on thE Following DiAloguE.{{/i}} whAt is proBABly thE mAn’ s position
A、DEAn oF stuDEnts.
B．lECturEr in spEEChCommuniCAtion.
C、proFEssor oFBusinEssADministrAtion.
D．ChAirmAn oF thE journAlismDEpArtmEnt.