I think it would be D because the personal touch would be introducing you (the reader) to his son.
Answer:
Becasue he broke the rules.
Psychoanalytic criticism
Explanation: i think if i am wrong copy paste it in the search bar and see
I think the casket is a symbol of death and it is also a symbol of cruelty of the narrator that he took Doodle to see it and touch it to emphasize that they thought he was going to die so needed to be brought face to face with it.