In general, as compared to companies with operating leases, companies with capital leases report :（）

A. lower working capital and asset turnover.  

B. lower cash flow from operations, higher cash flow from financing.  

C. higher debt to equity and return on equity ratios (in the early years)

发动机怠速运转不稳定，有抖动现象，其故障一般为（）。

A.加速泵弹簧弹力不足

B.加速泵操纵机构脱落

C.化油器调整不当

D.加速泵喷管或油槽堵塞