A 35-year-old man presents with left wrist pain following a fall off a snowboard. A radiograph reveals a Colles' fracture of the distal radius. Which of the following is TRUE regarding Colles' fractures?
(A) Stable Colles' fractures can be treated with a wrist splint for 6 weeks.
(B) The goals of reduction are to restore the dorsal tilt, radial inclination, and proper length to the radius.
(C) Associated ulnar styloid fractures may indicate disruption of the cartilaginous structures stabilizing the wrist.
(D) The $x$-ray demonstrates volar angulation of the distal radius.