What do the panels on the corners of the truck indicate?

What do the panels on the corners of the truck indicate?
A)That the load protrudes from the sides.
B)That the load protrudes from the front.
C)That the load protrudes from the rear.Correct
When the load protrudes longitudinally across the full width of the rear of the vehicle, two signalling panels (V-20) shall be placed transversally, one at each end of the load or of the width of the protruding material. Both panels must be positioned in such a way that they form an inverted V shape with alternating red and white stripes.