Which of the following is not a true statement?

Which of the following is not a true statement?
 
  A) Each study block on a weekly schedule should be labeled Study so you can study the subject area that needs your most immediate attention.
  B) Color-coding your weekly schedule makes your schedule easier to follow and use.
  C) To avoid breaking a well-established routine, trading time should be used selectively for unexpected events or situations.
  D) An effective weekly schedule shows specific patterns so that it is easier to follow and easier for the user to create a familiar routine.