Your Vision of the Meaning of Life

Your vision of the meaning of life

A) sets up expectations for how to live, determining in many ways the kind of life you will lead.
B) is directly related to your temperament-pessimists always have pessimistic visions of meaning, while optimists have optimistic visions.
C) is something you are born with that gradually unfolds.
D) should be formulated precisely, in a mathematical formula.