When the gap between the dashes of a broken line is noticeably shorter than in the general case, what can it indicate?

When the gap between the dashes of a broken line is noticeably shorter than in the general case, what can it indicate?
A)The proximity of a town crossing.
B)The proximity of a special lane.
C)The proximity of a stretch of road that presents a special risk.Correct
The gap between the dashes will be shorter to warn the driver of the proximity of a continuous line or of a stretch of road that presents a special risk.