The Most Notable Reason Why Striking with Rackets and Paddles

The most notable reason why striking with rackets and paddles and striking with long-handled implements are complex skills for children is

A) because it is difficult to achieve accuracy in tossing or dropping the object to be contacted.
B) because of the need for the development of visual tracking.
C) because hand-eye coordination is more difficult at a distance from the body.
D) all of the choices are correct
E) both because of the need for the development of visual tracking and because hand-eye coordination is more difficult at a distance from the body.