I would say the subject is color, we get so wrapped in our own colors that we forget to sit back and enjoy the life and color that is around us, we get wrapped up in depression or sadness and we stay there. He’s trying to convey that this is dull and lifeless yes but all you have to do it add color
I believe it is C. The rabbit appeared to be in a hurry. Because Alice was surprised and she wanted to follow the white rabbit.
Idk the story but im going with D) helpful and inspiring