Which of the Following Was Proposed by Kubler-Ross

Which of the following was proposed by Kubler-Ross?

A) She proposed four statuses of identity based on crisis and commitment.
B) She has shown that grief unfolds in four patterns: resilience, recovery, chronic dysfunction, and delayed grief.
C) She proposed a stage model of confronting death, in which the dying individual progresses from denial to acceptance.
D) She outlined the three stages of socioemotional development in adulthood.