If the author wanted to write a story in which the main character looks back on the events of his long, full life, which would be the best way to start this story?

Responses
A with the main character as a teenager in high schoolwith the main character as a teenager in high school
B with the main character as an 85-year old man, deep in thought about everything he has been through over the course of his lifewith the main character as an 85-year old man, deep in thought about everything he has been through over the course of his life
C with the main character as a 25-year old in his first jobwith the main character as a 25-year old in his first job
D With the main character as a four year old wondering about his future.

B with the main character as an 85-year old man, deep in thought about everything he has been through over the course of his life