The structure of the upper limbs (the arms) and the lower limbs (the legs) follow a similar pattern. Which of the following statements comparing the limbs is not accurate? 

• A. Between the girdle and the wrist/ankle, the lower limbs have more bones.
• B. The radius and ulna bear weight roughly equally, where the tibia bears much more weight than the fibula.
• C. The humerus articulates with both bones of the forearm at the elbow, while the femur only articulates with one bone of the lower leg.
• D. The radius and ulna have less mobility between them than the tibia and fibula.