Which best describes the conflict faced by the dwarves at the start of the novel? A. They want Gandalf to help them, but Gandalf is too busy. B. They want to help Bilbo find his mother, but Bilbo wants to stay at home. C. They want to retrieve the treasure hoard that Smaug has stolen. D. They want to get revenge on Thror, who has betrayed his grandson, Thorin.