Suppose the targeted company is going to consign 1000 tons of channel steel to Urumchi, which belongs to______________ transported in open wagons. 假设目标公司要去向乌鲁木齐发运1000吨槽钢，属于用敞车运输的_________。
A、diverting consignment货物转运
B、car-load freight 整车货物
C、intermodal container多模式集装箱