When Do Most People Have Their First Realistic Confrontation with Death

When do most people have their first realistic confrontation with death?

A) when they are children, in response to the death of a pet
B) when they are an adolescent, in response to the death of a friend
C) when they are a young adult, in response to the death of a spouse
D) when they are a middle-aged adult, in response to the death of a parent