高考英语单选 倒装句 On the stairs __________ in red.

A small dark-haired girl n red was sitting on the stairs
一个黑发红衣的女孩过去正坐在楼梯上
A small dark-haired girl( who was ) in red /定语从句was sitting on the stairs
On the stairs sitting ( a smalldark-haired girl was in red)
至少缺连词和 谓语
on the stairs sitting 没有这种句型结构