Which of These Statements Is False

Which of these statements is false?

A) Many formal rites of passage are associated with religion.
B) Shedding of formal rites of passage leaves less clarity to the point at which a young person becomes an adult.
C) Defining oneself as an adult rests on one's perception of whether personally relevant key criteria have been met.
D) Achieving adulthood is faster today than in the past.