At a level crossing whose barriers are moving, is it compulsory to stop?

At a level crossing whose barriers are moving, is it compulsory to stop?
A)Yes, but only when the vehicle cannot pass underneath.
B)No, since they are not in a horizontal position.
C)Yes.Correct
It is forbidden to enter a level crossing or movable bridge whose barriers or half-barriers are across or moving, or when the traffic lights prohibit passage.