--- Liu Yi, do you miss your parents? I hear that you go back home once every month.

---Of course. You know this is the first time I_____ in the dormitory at school, far away from my hometown, Luoyang.

A．have stayed

B．stayed

C．stay

D．am staying

因电力运行事故给用户或者第三人造成损害的，供电企业应当依法承担什么责任？