Answer:
GRAMMAR!!!!
Explanation:
When writing korean which is my second language it is one of the things i struggle with the most!
Synonyms (b) is the correct answer.
Then why ask the question in you already know the answer?
Answer:
chou onna kirai na ore ga isekai no joshikou ni ryuugaku suru koto ni natta
=
I hate super girls, so I decided to study abroad at a girls' school in a different world