The main idea of this paragraph is that they spent weeks trying to determine where the smell was coming from.
Hard to judge without the context of the other sentences of the story but if I had to guess, it sounds "inviting and familiar" to me.
Answer:
a.) He saw beauty in the flaws as well as the perfections in the country and its people.
English: I wanted to go outside but it's too cold.
Spanish: Quería salir pero es demasiado frío.
Answer:
A sounds like it fits the best
