Studies of brain lateralization in animals have purported to show that, whereas most human beings are right-handed, about half of any given group of animals will be “left-handed” (i.e., showing a preference for their left limbs) and half will be “right-handed.” This finding is suspect, however; it has long been noted that dogs will almost always “shake hands” with the right paw.
Which one of the following, if true, is the strongest defence against the counterexample of dogs that “shake hands”?OPTIONS
[A]. Dogs are observed to scratch themselves with the left leg as well as with the right leg.
[B]. People who observe dogs “shaking hands” are observing a behaviour that dogs perform only with a front paw.
[C]. Left-handed people sometimes feel inconvenienced or even stigmatized in a “right-handed world,” but dogs face no analogous difficulties.
[D]. Dogs that have lost a limb are able to compensate for the loss, regardless of whether the limb was lost from the right or left side.
[E]. In learning to perform tricks, dogs are influenced by the behaviour of their trainers.
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