编写解决困难的短文 — 英语填空题
题目
Tom 找不到去博物馆的路了。请根据“解决问题”短文的写作顺序，将下列句子排列成通顺的短文，并将答案依次填入横线上：A. Then he asked a policeman for help. B. Tom wanted to visit the museum, but he didn't know the way. C. Finally, he got to the museum happily. D. First, he looked at the map, but it didn't help. 正确顺序是 ___