独立于发货人和收货人之外，通过合同的方式确定回报，承担货主企业全部或部分物流活动的企业是（）。

Independent of the consignor and consignee, the return is determined by contract. The enterprise undertaking all or part of the logistics activities of the owner enterprise is （）.

A.承运人carrier

B.物流经营人logistics operator

C.国际货运代理人international freight forwarder

D.分合同承包商subcontractor

正确答案：物流经营人logistics operator