The correct options are
B Royal blue
The sumptuary laws were a set of laws aimed at controlling the behaviour of the lower classes by restricting their lifestyle, especially prohibiting them from wearing certain clothes. It was prevalent in many European countries like Italy, France, and England. The common-folk were allowed to wear the colour blue. Royal blue however, was reserved for the upper class. Similarly crimson was also reserved for the upper classes while the lower classes were allowed to wear the colour red.