When Planning Care for the Older Adult Experiencing Pain,the Nurse

When planning care for the older adult experiencing pain,the nurse bases interventions on the realization that

A) generally pain control is less effective than it is for younger adults.
B) this cohort is less pain sensitive than younger adults.
C) older adults are more likely to verbally express pain than younger adults.
D) pain is undertreated in this cohort compared to younger adults.