The integrated logistics activities, equipment and information network, and so on, is called （）

A.evidence of the contract of carriage  
B.Document  
C.Trading record  
D.Bill

A.Multi-story warehouse
B.Automatic Multi-story-warehouse
C.Stereo-style warehouse
D.Stereoscopic warehouse

A.environmental logistics  
B.waste material logistics  
C.returned logistics  
D.recycle