Answer:
the bird symbolizes loneliness
I think you forgot to add the options but based on my research the correct answer is "It's half on one or two dozen of another." This misquoted idiom from "daughter of invention" is intended to mean that it makes no difference to her. Thank you for posting your question. I hope that this answer helped you. Let me know if you need more help.
Answer: Option (C) person against nature
Explanation: The main conflict of the story can be described as person against nature. The family already planned the picnic and they are already looking forward to the fun and relaxation with some friends but nature decided to scare them by the possibility of rain. However nature decided to give way and allow them have their fun. Therefore the conflict exist between the person ( Morris family ) and the nature ( rain).