问题
单项选择题
Door-to-door services refer to carriers（）goods in the shippers＇and consignees＇ warehouse.
A.sending
B.delivering
C.pickingupanddelivering
D.shipping
答案
参考答案：C
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Door-to-door services refer to carriers（）goods in the shippers＇and consignees＇ warehouse.
A.sending
B.delivering
C.pickingupanddelivering
D.shipping
参考答案：C