The Study in Which College Students Were Given the Task

The study in which college students were given the task of rating themselves on positive and negative traits, and the US News & World Report survey on who you think will get into heaven both point to the fact that:

A) people tend to hold a general and pervading pessimistic viewpoint
B) people tend to rate themselves as better than others
C) people tend to hold a general and pervading optimistic viewpoint
D) all of the above