The theme of the story is that is can be hard to work with someone that is the complete opposite of you.
What happens in the story that leads me to believe this is well first of all the two characters names: Katie Clean and Messy Missy are opposite in names. One has messy other has clean. It was hard for them to work becuase Messy Missy was alwaays making a mess, which Katie Clean could not handle.
Answer: the tone of this poem is one of regret, ruefulness and nostalgia fueled by intense loneliness.
Explanation:
D, B, A, C is the order I would put it in
