An Older Adult Receiving Hospice Care Has Dementia as a Result

An older adult receiving hospice care has dementia as a result of metastasis to the brain and bone cancer has progressed to an advanced stage.Why might the client fail to request pain medication as needed?

A) Experiences less pain than in earlier stages of cancer
B) Cannot communicate the character of his pain effectively
C) Recalls pain at a later time than when it occurs
D) Relies on caregiver to provide pain relief without asking