Ms. Norris told Janie that she needed to rewrite her letter because it was too informal. All of the following strategies will help Janie EXCEPT: A) Avoid slang. B) Limit contractions. C) Add humor to your closing. D) Consider your audience and purpose
Answer C since when writing something formal you don't want anything that humorous.
Answer c because like the other person answered if it's formal then don't be to humorous