-How was the weather then? ---Hardly off the plane when it started to rain.A. I had st

问题补充：

---How was the weather then?

---Hardly off the plane when it started to rain.

A. I had stepped

B. had I stepped

C. I stepped

D. did I step

答案：

A. I had stepped

(答案→)B. had I stepped

C. I stepped

D. did I step

解析：考查倒装句：Hardly…when…“一…就…”,hardly位于句首时，用部分倒装，时态是过去完成时，句意：--天气怎样？--我一从飞机上下来就开始下雨了。选B。