They arrived London a cold winter night.A. in onB. at on C. at in

问题补充：

They arrived London a cold winter night.

A. in, onB. at, on C. at, in

答案：

解析：句意：在一个寒冷的冬天夜里，他们到达了伦敦。分析：考查固定短语：arrive at/in+ place小地点用介词at,大地点用介词in,伦敦属于大地点用in; 时间为具体某一天的上下午，用介词on.故选A