Well you answered the question yourself, but yes, B is the correct answer here.
Answer is B. Wishing he had never
I have not read the passage myself, but here are some helpful tips that can help you to figure it out. An ellipses is a series of three periods (...). Imagery is description that involves the senses, typically sight. Whatever the story makes you visualize is its imagery. Metaphors are figures of speech that contain comparisons, but do not use "like" or "as." Examples of metaphors include "the blanket of snow" or "the curtain of night." A setting is when or where the story takes place. Hope this helps.
Answer:
Some of Mexico’s rivers are the Grijalva, the Usumacinta, and the Conchos.
