Beyond Social Isolation, Researchers Who Use Prospective Studies Have Shown

Beyond social isolation, researchers who use prospective studies have shown that the people who live longest are those who:

A) are genetically predisposed for longevity.
B) have consistently avoided making choices about daily activities and leave major decision to their spouse.
C) have more different types of relationships, such as being married, having close relationships with family, friends, and neighbors, and belonging to social, political, or religious groups.
D) have one very deep relationship with a loved one and a few more superficial relationships with friends and neighbors.