In the phrase, the author used "like", symbolizing that she is using a simile to compare her memory to the fresh watercolour painting left out in the rain (which would surely end a disaster as the painting would mix with the rain and become destroyed), which helps the reader have a familiar comparison to how she is feeling. You could also say she uses imagery to help the reader visualize and understand her struggles of her horrible past.
I think he saying that its beautiful
Answer: b) It conveys the idea that of trees losing their leaves and making noises in the wind.
Explanation: personification is when the author gives human characteristics to non human objects (like the trees going to sleep or whispering), in this excerpt, when the author says that the trees are disrobing, he's referring to them losing their leaves, and when it says that the trees are having little bed-time conferences and whisperings and good-nights, he is referring to the noises the trees make in the wind.