Which of the following clients is most clearly displaying the signs and symptoms of irritable bowel ...

Which of the following clients is most clearly displaying the signs and symptoms of irritable bowel disease (IBD)?
 
  A)
  A 32-year-old mother who complains of intermittent abdominal pain that is worse during her menstrual period
  B)
  A 51-year-old male who states that his stomach pain is in his lower abdomen, comes and goes, and feels more like a cramp than a dull ache
  C)
  A 44-year-old man who works the evening shift at a factory and who states that his lower abdominal pain is much worse at night than during the day
  D)
  A 24-year-old man who has a stressful job but whose diarrhea and cramping do not worsen during periods of high stress