The first option, "[she] just couldn't stand another minute of the incessant howling", seems to be the best one to finish the paragraph. First of all, the paragraph has very specific and powerful vocabulary like "bopping his head" and "burst". So a concluding sentence should also have strong vocabulary. In this case "howling" is a very descriptive and powerful verb. Moreover, in the paragraph, the narrator mentions that "[the] lead singer sounded as (...) a dog lost in the woods". Using the word "howling", which is something done by dogs, in the concluding sentence would be consistant with the comparison between the singer and a lost dog.
B. The acceptance that the setting is believable and real.
Answer: Laughing Boy
Explanation: a 1929 novel by Oliver La Farge about the struggles of the Navajo in Southwestern United States to reconcile their culture with that of the United States. It won the Pulitzer Prize in 1930. It was adapted as a film of the same name, released in 1934.
I think the most grammatically correct answer is actually B. Correct me if I am wrong.
His gratefulness, as shown when Crusoe saves his life.