A. It would make the solution sound less innocent because the teacher would be more serious about the topic.
Used to separate to independent clauses when second explains illustrates the first
I've read this book before!
Both of there lives before where poor and unhealthy but mutual
However after the pearl they lost koyotito after the pearl gave them bad luck where they're house in their village was burned so after that they were still poor but had bad luck which ruined their family , even killed a family member
The overall moos is Gloomy