There are signs that there is a growing tendency for people to turn away from ________ western medicine to alternative methods of treatment.

A．conventional

B．pessimistic

C．bureaucratic

D．theoretical

某建筑集团公司向某设备公司租赁了一台切割机，则该切割机属于此法律关系中的()。

A．主体

B．物

C．内容

D．客体