Answer:
b) involves episodes of discomfort interspersed with periods in which the individual is relatively pain-free.
Step-by-step explanation:
Recurrent pain is a pain that occurs often, which involves several episodes of discomfort which may be similar in duration, intensity and duration, but definitely goes away eventually.
This kind of pain may go completely and then come back again For example, having discomfort like backache or migraines in the same place as you always have them