Beware of your manners when in China. Remember, behavior that may be considered “normal” back home may turn some heads in China. Creating a disruptive “scene” in public is unusual. However, waiting in line is considered polite, as is giving cash in a traditional red envelope called 红包 (hóngbāo), and eating a fish with the head still on is normal and shows that the fish is considered to be fresh and delicious! So you know B is the correct answer.