Which of These Statements Is True About Keeping Joints Healthy

Which of these statements is true about keeping joints healthy?

A) Scar tissue will form if a joint is not moved enough.
B) Too much joint movement can dry out synovial fluid in the joint capsule.
C) Massage therapy is better than stretching for the shoulder muscle.
D) Stretching increases tension on the joint, tightening the ends of bones.