The answer is B, the biggest disappointment was isolation from neighbors
Repetitious. Those are synonyms, different words that have a similar or nearly identical meaning. Sullen and moody are adjectives that mean gloomy, morose, somber, resentful. Monotonous and repetitious are adjectives we use to signify that something is tedious, devoid of variations, dull.
A would be the correct answer because you need to check confused words
