NFHS question part 1 exam

[benbret]

Which of the following constitutes illegal contact?
A. An offensive player using the forearm to prevent an opponent from attacking the ball during the dribble.
B. Contact created when a dribbler ends his/her dribble causing a defender trailing the dribbler to push into the dribbler.
C. Placing a hand on the arm of a ball handler
D. A and B
E. All of the above