Of the Following Individuals,who Is Most Likely to Age Successfully

Of the following individuals,who is most likely to age successfully according to Vaillant?

A) Brian,who is 49 years old,overweight but jogs regularly with his wife of eighteen years
B) Angela,who is 52,just earned her Ph.D.,and celebrated with a cigarette and champagne
C) He-ping,who is 51,has never smoked but is not fond of exercise
D) Justin,who is 45 and put all of his energy into his business,so will enjoy a comfortable retirement