@rash21 (B) is incorrect because the argument is that a "pit bull" is NOT a breed of dog, but rather a description of the dog based on what the dogs do, such as "Seeing Eye dog" and "police dog."
So (B) is not even true, i.e. pit bulls cannot be distinguished from other kinds of dogs by appearance alone.
Hope that helps! Please let us know if you have any other questions.
