The irony in the story was that even though both characters got something for the other person item that they gave away and vice versa, they were actually the smart ones in their lovingness, and this relates to the reader, because it develops the theme of heartfelt care and giving from the heart.
An example would be when Ralph first sees Jack, when he comes in ordering the choir what to do and where to go.
Dolan is the last name and 175 is of course the oage number so the answer is D.