某批货物由列车载运进境，经海关批准，收货人(内地某外贸公司)在列车申报进境21天后委托专业报关公司向进境地海关办理转关运输手续，并于货物运抵指运地后第8天向该企业所在地海关正式申报。因( )等原因，申报人必须缴付滞报金。

A．未在规定期限向货物指运地海关正式报关

B．未在规定期限向进境地海关办理转关运输手续

C．未在规定期限向进境地海关正式报关

D．既未在规定期限办理转关运输手续，又未在规定期间正式报关

—I came here by taxi and the driver ________ me 50 yuan.

—Really? You ________ by bus.

A．paid; should come

B．cost; should have come

C．charged; ought to have come

D．spent; ought to come