Sentences of a paragraph are given below in jumbled order. Arrange the sentences in the right order to form a meaningful and coherent paragraph.
A. When he reached his town, he went to his house and knocked at the door.
B. A man went away from his home.
C. Disappointed, he decided to take it himself.
D. One day he wrote a letter to his family, but could not find any one to take the letter to his town.