Which sentence from this selection reveals why scientists cannot agree where the wolf first became domesticated?
A The physical differences between a basset hound and wolf are obvious.
B Genetic studies have pinpointed everywhere, from southern China to Mongolia to Europe.
C Pugs and poodles may not look the part, but if you trace their lineages far enough back in time all dogs are descended from wolves.
D The selection of social foxes also had the unintended consequence of making them look increasingly adorable–like dogs.