当你的爱车仪表盘上突然亮起黄色的发动机故障灯💡，是不是有点紧张？别急，这并不一定意味着大问题，但确实需要引起注意！以下是一些实用的小建议：

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耗油耗油耗油耗油耗油耗油耗油耗油耗油耗油耗油耗油耗油耗油耗油耗油耗油耗油耗油耗油耗油耗油耗油耗油耗油耗油耗油耗油耗油耗油耗油耗油耗油耗油耗油耗油耗油耗油耗油耗油耗油耗油耗油耗油耗油耗油耗油耗油耗油耗油耗油耗油耗油耗油耗油耗油耗油耗油耗油耗油耗油耗油耗油耗油耗油耗油耗油耗油耗油耗油耗油耗油耗油耗油耗油耗油耗油耗油耗油耗油耗油耗油耗油耗油耗油耗油耗油耗油耗油耗油耗油耗油耗油耗油耗油耗油耗油耗油耗油耗油耗油耗油耗油耗油耗油耗油耗油耗油耗油耗油耗油耗油耗油耗油耗油耗油耗油耗油耗油耗油耗油耗油耗油耗油耗油耗油耗油耗油耗油耗油耗油耗油耗油耗油耗油耗油耗油耗油耗油耗油耗油耗油耗油耗油耗油耗油耗油耗油耗油耗油耗油耗油耗油耗油耗油耗油耗油耗油耗油耗油耗油耗油耗油耗油耗油耗油耗油耗油耗油耗油耗油耗油耗油耗油耗油耗油耗油耗油耗油耗油耗油耗油耗油耗油耗油耗油耗油耗油耗油耗油耗油耗油耗油耗油耗油耗油耗油耗油耗油耗油耗油耗油耗油耗油耗油耗油耗油耗油耗油耗油耗油耗货量filepath车道filepath油耗货用的计量单位是（ ）。

A. 公斤

B. 千克

C. 吨

D. 克

答案：B