29.下列那一種腫瘤,在貓的脾臟最常發生?
(A)mast cell tumor
(B)lymphoma
(C)myeloid neoplasms
(D)hemangiosarcoma
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統計: A(434), B(509), C(69), D(445), E(0) #854213
統計: A(434), B(509), C(69), D(445), E(0) #854213