Which of the following pairs are correctly matched?

A) grief unfolds in four patterns-George Bonanno
B) four stages of cognitive development-James Marcia
C) theory of eight psychosocial stages that characterize socioemotional development-Jean Piaget
D) four statuses of identity based on crisis and commitment-Erik Erikson

George Bonanno proposed the Four Patterns Model of coping with grief, which includes resilience, recovery, chronic dysfunction, and delayed grief.

Option B is incorrect because James Marcia proposed four stages of identity development, not cognitive development.

Option C is incorrect because Jean Piaget proposed the theory of cognitive development, not socioemotional development.

Option D is incorrect because Erik Erikson proposed the theory of psychosocial development that includes eight stages, not four statuses of identity.