Does a prohibition sign placed next to a place name sign prohibit throughout the entire town?

Does a prohibition sign placed next to a place name sign prohibit throughout the entire town?
A)It only prohibits on the through road.
B)No.
C)Yes, but within the town there may be other signs that change the previous prohibition.Correct
Regulatory signs placed beside or directly above a sign indicating the name of a town indicate that the regulation applies throughout the entire town, unless a different regulation is indicated within the town by other signs on certain sections of the road.