ACCorDing to hEnry moorE, why is sCulpturE morE DiFFiCult to ApprECiAtE thAn othEr Forms oF Art
A．it is oFtEn DisplAyED outDoors.
B．it DoEs not AlwAys rEprEsEnt An oBjECt.
C．it is thrEE-DimEnsionAl.
D．it is DonE By rElAtivEly FEw Artists.