whAt DoEs thE mAn think is A DisADvAntAgE oF DistAnCE lEArning
A．it rEquirEs too muCh trAvEling.
B．it limits intErACtion Among stuDEnts.
C．it will inCrEAsE ClAss sizE.
D．it will EnCourAgE stuDEnts to wAtCh too muCh tElEvision.