pAssAgE onE A．BECAusE mAny ArChitECts stuDiED with wright.
B、BECAusE wright stArtED thE prACtiCE oF "lAnD-sCrAping".
C．BECAusE wright usED ElEmEnts oF EnvElopE BuilDing.
D．BECAusE most oF thE housEs wright Built wErE mADE oF stonE.