It Is a Commonly Known Fact That Dogs Have a Much

It is a commonly known fact that dogs have a much keener sense of smell than do human beings.What is not commonly known,however,is why.Because you have studied psychophysics,you know the answer to this question.What is it?

A) Dogs have a better sense of smell because it compensates for the fact that their sense of taste is so poorly developed.
B) Dogs have a better sense of smell because their noses are proportionally larger than the noses of human beings
C) Dogs have a better sense of smell because they have far more scent receptors than do human beings..
D) Dogs have a better sense of smell because their olfactory processing centers are larger than the same part of the brain in human beings.