You should check ( ) if you want to know ( ) at the scenic spot.
A.
thePublic Signs of the Map for the Scenic Spot; what you could do
B.
the Public Signs of the Code of Conduct at the Scenic Spot; where you are
C.
the Public Signs of the Code of Conduct at the Scenic Spot; who you could be
D.
the Public Signs of the Code of Conduct at the Scenic Spot; what you could do