According to Smith and Hamon, Which of the Following Statements

According to Smith and Hamon, which of the following statements about family stress theory is TRUE?

A) The Women's Movement was the impetus for the scientific study of how families deal with stress.
B) According to Hill's roller-coaster profile of adjustment, families go through four stages when faced with a crisis: crisis, disorganization, recovery, and reorganization.
C) Koos is responsible for the conclusion that a family's reaction to stressors is dependent upon integration and adaptability.
D) All of the above are TRUE.