Which Person Is More Likely to Subscribe to the Personality

Which person is more likely to subscribe to the personality predisposition theory of happiness?

A) John, who believes he has the same happy disposition of his parents.
B) Sarah, who believes that being happy is largely a result of being free of tension.
C) Margaret, who has immigrated to the United States in search of the founders' vision of America.
D) Walter, who believes that achieving financial stability is the key to happiness.