Answer:
a week late and 100 bucks short, but the answer is poetry
:
(A) Arrogance
The synonym of a word is a word with the same meaning. Effrontery means acting in a rude way, thus arrogance has the closest definition to effrontery and is the synonym.
The sentence in which the adjective phrase or adverb phrase is best used to correctly maintain the meaning of the original sentences is D. Nicaragua has become a destination for adventurous tourists to visit.
The other options don't even have these phrases.