Which of the Following Is a Reason That "Identity Development

Which of the following is a reason that "identity development" is an adolescent issue?

A) An identity crisis occurs during late childhood and early adolescence.
B) A sense of identity emerges for the first time during adolescence.
C) Identity development is one of the inevitable changes of puberty, but most young people struggle during this time.
D) Changes take place during adolescence that cause young people to alter how they view and feel about themselves.