I haven't read this essay but imagery is quite easy to find. Imagery is usually exposed by finding explanatory words or words that make is easier to imagine the event in a story. For example, "The sun was shining a fierce red. It was a fire blazing through the sky." Sorry if I can't give you an exact answer but atleast you know what to look for. I hope this helped you.
Explanation:
The main conflict was the struggle for the young woman keeping her husband happy by letting him paint a portrait of her for a long period of time.
It is a story about the experience as a migrant farm worker.
A couplet consists of two rhyming lines
Actually, the correct answer is A.
Each quatrain describes a new part of the fire metaphor, and the ending couplet creates the new idea of a journey.
Every time a new one comes it describes different meaning which makes it interesting and exciting which creates a journey, so that the reason why it is A. Trust me