[单选题]
Which of these statem b( szjz4 9+xml 2oye*xl*ov5oki;nbw.*2 a xdents are true for synovial joints?
I. The joint capsule produces synovial fluid
II. Synovial joints can move in one direction (plane)
III. Ligaments connect one bone to another
A. I only
B. II only
C. I and III
D. I, II and III