John's Thoughts of Death Are Causing Him to Lose Sleep

John's thoughts of death are causing him to lose sleep, eat poorly, and constantly worry. He expresses much concern over his current mental state, so much so that he has made an appointment to see a counselor. We would refer to his thoughts as abnormal since they

A) are statistically within expectations.
B) may cause him to experience legal problems.
C) cause him great personal distress.
D) do not meet the criteria for mental disorder.