{{i}}quEstions 14 to 17 ArE BAsED on thE Following pAssAgE.At thE EnD oF thE ConvErsAtion, you will BE givEn 20 sEConDs to AnswEr thE quEstions. now listEn to thE pAssAgE.{{/i}}

whiCh oF thE Following is not inCluDED in t.A、’s workA．lEADing DisCussions.
B．giving tEsts.
C．giving lECturEs.
D．hElping stuDEnts.