70.犬隻胸腔內臟器發炎或發生腫瘤,會導致下列何種骨頭病變?
(A)骨肉瘤(osteosarcoma)
(B)肥大性骨關節病(hypertrophic osteopathy)
(C)骨質石化症(osteopetrosis)
(D)骨軟骨病(osteochondrosis)

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統計: A(0), B(8), C(1), D(2), E(0) #3973189