Neither. Dormant and recessive are not synonyms because their definitions are not similar, nor are they antonyms because they aren't opposites, either. Dormant means to sleep. Recessive refers to a trait that is usually masked by a dominant trait.
Hope that answered your question.
Your first option is correct.
EXPLANATION:
your first option is correct because this is a grammar question. When you use "an" you're using it in front of a vowel. The only sentence starting with a vowel is the first one. The others don't sound right when you use "an" in front of it instead of "a".
I hope I helped! :)
A spendthrift (also profligate or prodigal) is a person who spends a lot of money and is excessive and wasteful, typically to the point where his or her spending exceeds his o.r her reso.urces..Spendthrift" comes from an outdated definition of the word "thrift" ?that refers to riches rather than frugality, hence a "spendthrift" is someone who has wasted their wealth.
I would say the answer is B.
In a story, the setting is the time, place, and geographical location of where it is taking place.