When approaching a movable bridge, what are drivers required to do?

When approaching a movable bridge, what are drivers required to do?
A)Increase speed to cross the passage as quickly as possible.
B)Always stop before crossing it.
C)Take extra care and reduce speed below the permitted maximum.Correct
When approaching a level crossing or a movable bridge, all drivers must take extra precautions and reduce their speed, as these are locations considered to be of maximum danger. It is forbidden to enter a level crossing or movable bridge whose barriers or half-barriers are across the road or in motion, or when its traffic lights prohibit passage.