【单选题】A non-asset based 3PL offers its expertise in negotiating contracts with . prefix="o" ns="urn:schemas-microsoft-com:office:office" ?xml:namespace>
A.
warehouses
B.
trucking companies
C.
distribution centers
D.
all of the above prefix="o" ns="urn:schemas-microsoft-com:office:office"? ?xml:namespace>