On page 14 of The Call of the Wild, what's meant by the phrase "The domesticated generations fell from him"? 
A. Buck is learning to love a human being again. End of exam  
B. Buck has lost a lot of hair in his fight with Spitz. 
C. Buck is losing his civilized characteristics. 
D. Buck longs to return home to the Judge's family.  
I don't have my book with me.