Katie Was Watching a Movie and Heard the Main Character

Multiple Choice

Katie was watching a movie and heard the main character say,"You only use 10% of your brain,and you're either right-brained or left-brained.Stop working at it.Your brain can't change.Drink up.At least we know your drinking isn't killing your brain cells." What part of the character's statement is true?

A) You only use 10% of your brain.
B) Your drinking isn't killing your brain cells.
C) You're either right-brained or left-brained.
D) Your brain can't change.