Typically,chronic Progressive Pain

Typically,chronic progressive pain

A) involves intermittent episodes of pain that are acute in character but chronic inasmuch as the condition repeats for more than six months.
B) involves constant pain that varies in severity,persists for six months or longer,and is relatively unresponsive to treatment.
C) is associated with degenerative disorders,involves constant pain that increases in severity over time,and lasts longer than six months.
D) goes on for six months or less and disappears when the tissue damage is repaired.