Which of the following best describes primary osteoarthritis involving multiple joints?
A) A degenerative joint disease primarily caused by acute injuries to individual joints.
B) A hereditary condition leading to the inflammation of synovial membranes in multiple joints.
C) A progressive disorder characterized by the breakdown of cartilage in multiple joints, not directly attributable to any specific injury or disease.
D) An autoimmune disorder that primarily affects a single joint and spreads over time.