关于城市维护建设税的适用税率，下列表述正确的有( )o

A．货运业按代开发票纳税人管理的纳税人，在代开货物运输业发票时一律按营业税税款7%预征城市维护建设税

B．由受托方代收、代扣“三税”的纳税人可按纳税人缴纳“三税”所在地的规定税率就地缴纳城市维护建设税

C．流动经营等无固定纳税地点的纳税人可按纳税人缴纳“三税”所在地的规定税率就地缴纳城市维护建设税

D．铁道部应纳城市维护建设税的税率统一为7%

The garden（）while the Greens were away from home.

A.took good care of

B.was taken good care

C.was taken good care of 

D.was taking good care