whAt is onlinE DistAnCE lEArning A.All intErACtion BEtwEEn tEAChErs AnD stuDEnts is ACComplishED "onlinE" through An intErnEt or intrAnEt ConnECtion. B.lEArning At homE. C.A systEm oF lEArning on your own By writing lEttErs. D.A lEArning systEm For CollEgE AnD univErsity stuDEnts.