72.養殖泥鰍的軀幹橫切面(如圖),箭號所指最可能為下列那一類寄生蟲?
(A)monogenean
(B)digenean
(C)myxoazoan
(D)microsporidian
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統計: A(334), B(944), C(536), D(523), E(0) #1588653
統計: A(334), B(944), C(536), D(523), E(0) #1588653