Which of the Following Would Most Likely Be the Worst

Which of the following would most likely be the worst reason for leaving a job?

A) You want more responsibilities than the available positions can offer.
B) You have problems communicating with your supervisor and most of your coworkers.
C) You just adopted a child and no longer want to work nights, the only time slot available at your current job.
D) You want to go back to school for the training needed to move up the career ladder.