The water supply has been cut off temporarily because the workers________one of the main pipes.                                                     (2013·天津，13)

A．had repaired

B．have repaired

C．repaired

D．are repairing

载有转运货物的运输工具进境后，承运人或其代理人应当填制进口货物报关单，并随附列明转运货物名称、数量、起运地和到达地的《进口载货清单》，向进境地海关申报。