Holly's Friend, Lori, Died 3 Years Ago

Holly's friend, Lori, died 3 years ago. Holly suffers from sleep problems, restlessness, and irritability. She often weeps uncontrollably because she misses Lori so much. Which of the following is TRUE of Holly's grieving process?

A) She is recovering quickly from her friend's death.
B) She is still moving through the stages of grief and will recover within the next year.
C) She is as recovered as one can hope to be from the death of a loved one.
D) She is experiencing "prolonged grief disorder" and may benefit from therapy.