Which of the following statements indicate dragon is a negative cultural symbol?（ ） A: Harry Potter battled the dragon and got back a golden egg from its nest. B: In Journey to the West, the third son of Dragon King accompanied Tang Seng all the way to the west. C: In Beowulf, as the treasure it protected had been stolen, the dragon breathed fire to the houses and fields. D: In the Bible, Satan is the great dragon.