The Study of the Health Benefits of Emotional Disclosure Conducted

The study of the health benefits of emotional disclosure conducted by Pennebaker and Beall using 46 undergraduates as the participants found that:

A) college students haven't experienced enough trauma in their lives to carry out a meaningful study.
B) students in the control condition who didn't write about anything traumatic made the fewest visits to the health center in the year following the study.
C) students who wrote about both the facts and emotions surrounding a traumatic event made the fewest visits to the health center in the year following the study.
D) students who wrote only about the facts of a traumatic event made the fewest visits to the health center in the year following the study.