{{B}}quEstions 19 to 21 ArE BAsED on thE ConvErsAtion you hAvE just hEArD、{{/B}}

A．hE knows ClEArly whAt hE nEEDs AnD wAnts.
B．hE hAs to givE his AuDiEnCE somE in-DEpth viEws.
C．hE knows it’s vEry importAnt to AttrACt thE AttEntion oF his AuDiEnCE.
D．hE knows how hE DElivErs his spEECh DEtErminEs thE AuDiEnCE’s FEEDBACk.