I believe it should be an interjection
Answer:
does it turn colors???
Explanation:
ill type my answer in the comments if so.
I think the best statement that explains why the author included both of these scenes in the story is that its purpose is to develop the relationship between the old man and the boy. The answer is letter D.
Wooden door vs glass door
Both are doors, serve the same function
Wooden is stronger
Glass you can see through