A Lateral Elbow Radiograph Demonstrates About Half of the Radial

A lateral elbow radiograph demonstrates about half of the radial head superimposed by the coronoid process of the ulna.Which of the following occurred?

A) The hand was pronated rather than in a true lateral position.
B) The hand and wrist were rotated laterally and not in a true lateral position.
C) The shoulder was not dropped sufficiently to the tabletop level.
D) No positioning errors occurred.