21.下列第幾對腦神經傷害,會引起犬貓異常翻正反應(righting reactions)?
(A)四
(B)六
(C)八
(D)十
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統計: A(99), B(261), C(542), D(243), E(0) #853544
統計: A(99), B(261), C(542), D(243), E(0) #853544