Which of the following statements about long bone fractures is not true?

A、To determine the displacement, the proximal displacement direction can be judged based on the distal end of the fracture.;
B、
A、 Polylines consist of transparent lines, hyper dense lines, and there are bone texture


distortion and epiphysis separation.;
C、 Impacted fracture appears as a banded shadow with increased density ;
D、Greenstick fracture occurs more often in childhood.;
E、There is often osteoporosis in old fractures