Answer:
This is a simile.
The word 'like' makes it a simile instead of a metaphor. In this excerpt from "marigolds," The narrator is describing their mother's voice as calm and soothing by saying it sounds "like a cool, dark room in summer...." This adds to the overall characterization because the reader can better understand what the mother's voice sounds like. It creates a picture inside your head.
Answer:
For assessing you need knowledge and information of different writers and their genre as well. Assessing helps to understand better the narrator's story.
And if you truly understand it,its really nice