As an Insurance Adjuster Responsible for Determining What Premium Rates

As an insurance adjuster responsible for determining what premium rates are to be charged to individuals, you were surprised to read a report that indicated that the best predictor of self-reported health and visits to doctor over a 12-month period was the:

A) Quantitative listing of the number of "friends" a person has posted on their social networking page
B) Qualitative nature of the working mental representations an individual has of others
C) Substantive volume the number of individuals the person has listed in the "friends network" feature of their cell phone
D) Elaborative recall of the descriptions their friends have of them
E) Embellished frequency of which an individual goes to the gym, with friends