Which of the following is least likely to be an incentive for structuring a lease as an operating lease instead of a capital lease（）

A. The period of use is short relative to the overall life of the asset.  

B. The lessee is in a high tax bracket and the lessor is in a low tax bracket.  

C. The corporate bond indenture contains specific covenants relating to financial policies that the company must follow.

动脉硬化性闭塞症的治疗是

A．区域性交感神经切除
B．旁路转流术
C．动脉切开取栓术
D．动脉内膜剥脱术
E．大网膜移植术