Which goods transport vehicles does this sign prohibit from passing?
A)Those over 3,500 kg M.A.M., only when carrying cargo.
B)Those under 3,500 kg M.A.M.
C)Those over 3,500 kg M.A.M., loaded or unloaded.Correct
# Explanation
The sign prohibiting passage for goods transport vehicles applies absolutely to all vehicles whose Maximum Authorized Mass (M.A.M.) exceeds 3,500 kg, regardless of whether they are loaded or empty. This restriction is total and permanent, not only when they are carrying cargo.