A Study of First-Year Law Students Found That the Students

A study of first-year law students found that the students who had an optimistic outlook:

A) were least likely to rank in the top 10 percent of their class.
B) had stronger immune systems than the students with a pessimistic outlook.
C) were just as likely to develop colds and respiratory infections as pessimistic students.
D) were most likely to come from a background in which one or more relatives were lawyers, judges, or politicians.