A. The sentence works fine. one could argue B, but a colon is used to separate a run-on or show two complete thoughts in the same sentence, so arguably B would not work either.
Answer:
Quizlet
this is the area or part of the brain that goes through maturity the most during adolescence
If you prepare today for what is to come then the future will be easy to you
Personally I don’t really have a favorite character