ACCorDing to thE pAssAgE thE ACtivitiEs oF mArkEting in populAr sEnsE ArE involvED in ______.
A．wholEsAlE AnD rEtAil on thE mArkEt
B．Buying AnD sElling DirECtly
C．thE proCEss oF proDuCtion AnD ExChAngE
D．thE trAnsFEr oF gooDs From proDuCEr to ConsumEr