At what age do most children have an adult concept of death as being inevitable, universal, and irreversible?

A) 4 to 5 years
B) 6 to 8 years
C) 9 to 11 years
D) 12 to 16 years

Adult Concept

An idea or notion that is comprehensible or relevant only to mature individuals or pertains to aspects of adult life.

Inevitable

Something that is certain to happen; unavoidable.

Universal

Applicable to all cases or situations; broad in scope or application.