阅读下列短文，从每题所给的四个选项A、B、C和D、中选出最佳选项。
{{B}}A{{/B}}
D、vAlign=top wiDth="100%"> thErE wErE mAny BEAutiFul BuilDings in AnCiEnt (古代的) romE (罗马), But thE living ConDitions For orDinAry pEoplE wErE BA
D、most oF thEir homEs wErE so poorly mADE thAt thEy FEll Down or wErE FirE hAzArDous (危险的) with thEir stEEp (陡), nArrow wooDEn stAir wAys. most pEoplE wErE pACkED (挤满) into ApArtmEnt (公寓) BuilDings thAt rosE six to twElvE Floors, ABovE thE groun
D、thE ApArtmEnts wErE rooms ABout thrEE mEtrEs squArE, AnD EACh BuilDing housED ABout FivE hunDrED pEoplE.
thEsE tAll BuilDings FACED EACh othEr ACross strEEts only thrEE mEtrEs wiDE, so no sunlight rEAChED thE groun
D、EvEn so, ApArtmEnts wErE Costly, though ChEApEr plACEs CoulD BE FounD outsiDE romE.But pEoplE wAntED to BE nEAr thEir work AnD EntErtAinmEnt (公众娱乐). so thE strEEts BECAmE CrowDED AnD it wAs hArD to movE quiCkly.At night, thE strEEts wErE FillED with noisE As FooD AnD suppliEs wErE Brought into thE City on CArts.
this pAssAgE is mAinly ABout______.A．thE strEEts AnD thE City trAnsportAtion in AnCiEnt romE
B．thE living ConDitions oF orDinAry pEoplE in AnCiEnt romE
C、thE BEAutiFul BuilDing in AnCiEnt romE
D、thE FooD AnD DAily suppliEs in AnCiEnt romE