Which line from The Call of the Wild offers an indirect characterization of one of the dogs?

A“Dub, an awkward blunderer who was always getting caught, was punished for Buck's misdeed.”
B“Dave was fair and very wise.”
C“He was a civilized dog, an unduly civilized dog, and of his own experience knew no trap and so could not of himself fear it.”
D“When he marched slowly and deliberately into their midst, even Spitz left him alone.”